The Rational Walk
Superinvestor Portfolio Changes — Q3 2023
A few observations based on recent 13F filings, with a focus on Berkshire Hathaway, Dollar General,...
a year ago
A few observations based on recent 13F filings, with a focus on Berkshire Hathaway, Dollar General, Markel, and Semper Augustus.
The Rational Walk
Free Articles!
All articles older than six months are now free to read.
11 months ago
All articles older than six months are now free to read.
Musings on Markets
The Sugar Daddy Effect? Corporate venture capital, Sovereign funds and Green Energy!
It is a sign of the times that I spent some time thinking about whether the title of my post would...
a month ago
It is a sign of the times that I spent some time thinking about whether the title of my post would offend some people, as sexist or worse. I briefly considering expanding the title to "Sugar Daddies and Molasses Mommies", but that just sounds awkward, or even replacing the words...
balajis.com
The Elondrop
Build the political support necessary to free Twitter with the largest airdrop in history.
over a year ago
Build the political support necessary to free Twitter with the largest airdrop in history.
Calculated Risk
4th Look at Local Housing Markets in November
Today, in the Calculated Risk Real Estate Newsletter: 4th Look at Local Housing Markets in...
4 days ago
Today, in the Calculated Risk Real Estate Newsletter: 4th Look at Local Housing Markets in November
A brief excerpt:
The NAR is scheduled to release November Existing Home sales tomorrow, Thursday, December 19th at 10:00 AM. The consensus is for 3.97 million SAAR, up from 3.96...
Calculated Risk
Schedule for Week of December 15, 2024
The key economic reports this week are Retail Sales, Housing Starts, Existing Home Sales, the 3rd...
a week ago
The key economic reports this week are Retail Sales, Housing Starts, Existing Home Sales, the 3rd estimate of Q3 GDP, and November Personal income and outlays.
----- Monday, December 16th -----
8:30 AM: The New York Fed Empire State manufacturing survey for December. The...
balajis.com
No Cap
Fed-killed banks took $100B+ from BTFP to stay afloat, but who's counting?
a year ago
Fed-killed banks took $100B+ from BTFP to stay afloat, but who's counting?
Mazdak
Nvidia Takes the Crown: The AI Chip Giant Dethrones Apple
Nvidia has overtaken Apple as the world's most valuable company.
a month ago
Nvidia has overtaken Apple as the world's most valuable company.
The Rational Walk
The Digest #211
Thucydides, Corporate life cycles, Ben Graham's first big win, Buffett's early lesson in activist...
4 months ago
Thucydides, Corporate life cycles, Ben Graham's first big win, Buffett's early lesson in activist investing, Perils of forecasting, Orwell's 1984, Guy Spier, Ben Thompson, Estée Lauder
Calculated Risk
Census: The U.S. population grew by nearly 1.0% between 2023 and 2024
From the Census Bureau: Net International Migration Drives Highest U.S. Population Growth in Decades...
3 days ago
From the Census Bureau: Net International Migration Drives Highest U.S. Population Growth in Decades
The U.S. population grew by nearly 1.0% between 2023 and 2024, according to the new Vintage 2024 population estimates released today by the U.S. Census Bureau.
As the nation’s...
The Rational Walk
Will Berkshire Hathaway Pay a Dividend?
Investors have been debating the dividend question for decades. So far, shareholders have been well...
10 months ago
Investors have been debating the dividend question for decades. So far, shareholders have been well served by Warren Buffett's reluctance to send out dividend checks.
The Rational Walk
The Digest #176
Found Money, OpenAI drama, GLP-1 drug studies, Estée Lauder, Heart valve technology, Edwin Land,...
a year ago
Found Money, OpenAI drama, GLP-1 drug studies, Estée Lauder, Heart valve technology, Edwin Land, John Oliver skewers dollar stores, Apple regrets, The Great Books Journal
Musings on Markets
Tesla in 2023: A Return to Reality, The Start of the End or Time to Buy?
I am not much of a car person and view cars primarily as a mode of transportation. I drive a 2010...
a year ago
I am not much of a car person and view cars primarily as a mode of transportation. I drive a 2010 Honda Civic, a perfectly serviceable vehicle that is never going to get oohs and ahas from onlookers, but I feel no urge to value Honda. I don't own a Tesla, and have only driven...
Mazdak
Subscription Overload: The Rise of Recurring Revenue
The number of products and services we sign up for is ballooning as almost every industry latches...
a year ago
The number of products and services we sign up for is ballooning as almost every industry latches onto the subscription business model. This is because businesses can make more money up-front and over time by selling subscriptions and building loyalty. They can also mine...
Moneyness
Central bank digital currencies and the fallacy of immaculate adoption
I recently noticed that the Bank of Jamaica, Jamaica's central bank, has implemented two new...
a year ago
I recently noticed that the Bank of Jamaica, Jamaica's central bank, has implemented two new marketing strategies to drive adoption of its new central bank digital currency, Jam-Dex. Jam-Dex is one of only four operational central bank digital currencies (CBDCs) in the world,...
Bits about Money
Financial systems take a holiday
Ever wondered about what happens when banks are closed or why some apps have operating hours? It's...
9 months ago
Ever wondered about what happens when banks are closed or why some apps have operating hours? It's fascinating.
Musings on Markets
Data Update 1 for 2023: Setting the table!
In my last post, I talked about the ritual that I go through every year ahead of my teaching each...
a year ago
In my last post, I talked about the ritual that I go through every year ahead of my teaching each spring, and in this one, I will start on the first of a series of posts that I make at the start of each year, where I look at data, both macro and company-level. In this post, I...
The Rational Walk
The Digest #197
Interest rates, Passive investing, Ben Graham as a young man, Daniel Kahneman, Ken Langone, Lawrence...
8 months ago
Interest rates, Passive investing, Ben Graham as a young man, Daniel Kahneman, Ken Langone, Lawrence Cunningham, Reed Hastings, Steve Eisman
Musings on Markets
Fed up with Fed Talk? Fact-checking Central Banking Fairy Tales!
The big story on Wednesday, September 18, was that the Federal Reserve’s open market committee...
3 months ago
The big story on Wednesday, September 18, was that the Federal Reserve’s open market committee finally got around to “cutting rates”, and doing so by more than expected. This action, much debated and discussed during all of 2024, was greeted as "big" news, and market...
Mazdak
Amazon Glasses: Seeing the Future of Delivery
Amazon is developing smart glasses for their delivery drivers to navigate routes, locate packages,...
a month ago
Amazon is developing smart glasses for their delivery drivers to navigate routes, locate packages, and even take photos of deliveries as proof for customers.
Moneyness
Do bitcoin ETFs conflict with bitcoin's original ethos?
Some folks are suggesting that a bitcoin ETF is absurd because it doesn't fit with Bitcoin's...
11 months ago
Some folks are suggesting that a bitcoin ETF is absurd because it doesn't fit with Bitcoin's original ethos. On the contrary, I think it's a nice snug fit.
It would be a misunderstanding of bitcoin's history to assume that it was the idealism of cypherpunk-ism that gave birth to...
Citation Needed
Guilty or coerced? Ryan Salame’s last interviews before prison
Unpacking my conversation with FTX executive Ryan Salame, where we discussed his claims that he’s...
2 months ago
Unpacking my conversation with FTX executive Ryan Salame, where we discussed his claims that he’s innocent of the charges for which he’s now serving seven and a half years in prison.
Mazdak
AI.com to Chat.com: OpenAI's Domain Domination
From AI.com to Chat.com, OpenAI is making big moves in the world of conversational AI. They've...
a month ago
From AI.com to Chat.com, OpenAI is making big moves in the world of conversational AI. They've dropped a huge amount of cash – likely over $15.5 million – to snag the premium domain Chat.com.
Citation Needed
Issue 54 – Cases continue
Crypto-related litigation is in full swing, as the Terra civil fraud trial has kicked off and two...
8 months ago
Crypto-related litigation is in full swing, as the Terra civil fraud trial has kicked off and two other cases against crypto companies have survived motions to dismiss.
The Rational Walk
The Digest #206
The Trust Deficit, EU Regulations, Medicare Advantage scams, Munger soldiered on, The cult of...
5 months ago
The Trust Deficit, EU Regulations, Medicare Advantage scams, Munger soldiered on, The cult of Silicon Valley, Self-esteem and outer scorecards, MMT's founder is worried about deficits
Bits about Money
Improving how credit cards work under the covers
Card networks are legacy systems. Some bugs have persisted for decades, surprisingly, but they can...
a year ago
Card networks are legacy systems. Some bugs have persisted for decades, surprisingly, but they can be fixed. Stripe provides examples.
The Rational Walk
What I’ve Been Reading
Thoughts on the books I read in Q4 2023
a year ago
Thoughts on the books I read in Q4 2023
The Rational Walk
My Years with General Motors
General Motors, under the leadership of Alfred P. Sloan, capitalized on the mistakes of Henry Ford...
a year ago
General Motors, under the leadership of Alfred P. Sloan, capitalized on the mistakes of Henry Ford in the 1920s to become the dominant American automaker.
Mazdak
Anthropic's AI Breakthrough & Boeing's Q3 Disaster
Boeing's Q3 earnings report reveals a massive loss, while Anthropic's Claude AI showcases...
a month ago
Boeing's Q3 earnings report reveals a massive loss, while Anthropic's Claude AI showcases mind-blowing new capabilities.
Mazdak
Who Should You Ask for Feedback?
Feedback is essential for business success. It can help you identify areas for improvement, get new...
a year ago
Feedback is essential for business success. It can help you identify areas for improvement, get new ideas, and stay ahead of the competition. But not all feedback is created equal. If you want to get the most out of feedback, you need to ask the right people.
The Rational Walk
The Digest #210
Disinflation vs. Deflation, Zooming Out, Warren Buffett's Apple Sales, Teens without Smartphones,...
4 months ago
Disinflation vs. Deflation, Zooming Out, Warren Buffett's Apple Sales, Teens without Smartphones, Adam Wright, Joel Greenblatt, Robert Kierlin, Bruce Berkowitz, Jeremy Grantham
The Rational Walk
Berkshire Hathaway’s 2023 Results — Overview
This article provides a 30,000 foot overview of Berkshire Hathaway's results for 2023 with a focus...
9 months ago
This article provides a 30,000 foot overview of Berkshire Hathaway's results for 2023 with a focus on the components net operating earnings.
Musings on Markets
Data Update 2 for 2023: A Rocky Year for Equities!
It is the nature of stocks that you have good years and bad ones, and much as we like to forget...
a year ago
It is the nature of stocks that you have good years and bad ones, and much as we like to forget about the latter during market booms, they recur at regular intervals, if for no other reason than to remind us that risk is not an abstraction, and that stocks don't always win, even...
The Diff
Are VCs Incentivized to be too Nice for Venture Debt?
Plus! Art of the Cram-Down; Transaction Costs; Amazon Air; Bull Markets; Misinformation
2 weeks ago
Plus! Art of the Cram-Down; Transaction Costs; Amazon Air; Bull Markets; Misinformation
The Rational Walk
The Year in Review
Growth in 2023, top articles, and plans for the future
a year ago
Growth in 2023, top articles, and plans for the future
The Diff
Social Media as a Test of Human-in-the-Loop Generative AI
Plus! Holdcos; Cash and Control; War Economies; In-Kind Dividends; Currency
a week ago
Plus! Holdcos; Cash and Control; War Economies; In-Kind Dividends; Currency
Moneyness
It's time to get rid of "crypto"
Call me a pedant, but I'm not a fan of the word "crypto". It may have been a serviceable category...
9 months ago
Call me a pedant, but I'm not a fan of the word "crypto". It may have been a serviceable category back in 2011 when there was only one type of crypto thingy – bitcoin. But it's ceased to be a meaningful term and, if anything, it causes a regression in understanding.
Source:...
The Diff
Just Another Risk Asset
Plus! SPVs; The Global Advantage; Cachet; GLP-1 Friendliness; Integrations
a week ago
Plus! SPVs; The Global Advantage; Cachet; GLP-1 Friendliness; Integrations
Mazdak
The Rise of Nvidia and the Fall of Intel
For 25 years, Intel held a coveted spot in the Dow Jones Industrial Average, a testament to its...
a month ago
For 25 years, Intel held a coveted spot in the Dow Jones Industrial Average, a testament to its influence in the tech world.
Farnam Street
Tit For Tat
Tit for tat is a strategy which, according to game theory, is the most effective choice for iterated...
over a year ago
Tit for tat is a strategy which, according to game theory, is the most effective choice for iterated games based on mutual cooperation or defection. Both players benefit if they cooperate, but one benefits and the other loses out if only they defect, and both lose out to a lesser...
Citation Needed
Issue 47 – Residual garbage
All my "absolute top tier apes" gone, anti-rug-pull rug pulls, and an update on this newsletter.
12 months ago
All my "absolute top tier apes" gone, anti-rug-pull rug pulls, and an update on this newsletter.
Commoncog
Members Preview: An Easier Way to Create XmR Charts
Early access to some software we've built to make XmR charts more accessible.
9 months ago
Early access to some software we've built to make XmR charts more accessible.
Commoncog
Charlie Munger’s Supply Demand Curve Puzzle
What a puzzle from Charlie Munger tells us about a supply-side business model with unreasonably high...
a year ago
What a puzzle from Charlie Munger tells us about a supply-side business model with unreasonably high returns.
Mazdak
Decentralization Debate: Unpacking Bluesky's Architecture
Is Bluesky REALLY decentralized? Join us as we analyze Bluesky's architecture and discuss whether it...
3 weeks ago
Is Bluesky REALLY decentralized? Join us as we analyze Bluesky's architecture and discuss whether it truly lives up to the hype.
Seeking Wisdom
Buffett’s Bathtub Memory
I love reading physical books. But there’s one problem with physical books. My shelf space is...
a year ago
I love reading physical books. But there’s one problem with physical books. My shelf space is limited. To overcome the shelf space limitation, I developed a simple fitness function for my books. Books that I won’t reread will be donated to the library. Don’t get me wrong. They...
Mazdak
Information Overload? Don't Be Fooled!
In today's world of instant access and information overload, we often find ourselves bombarded with...
a year ago
In today's world of instant access and information overload, we often find ourselves bombarded with conflicting opinions and dubious advice. It can be a challenge to distinguish genuine expertise from misleading claims and unqualified opinions. This issue of our newsletter offers...
Mazdak
Top 10 Finance News Headlines for Thursday, November 30th, 2023 📈📰
📈 Stocks Soar: The Dow Jones Industrial Average jumped more than 500 points on Thursday, closing at...
a year ago
📈 Stocks Soar: The Dow Jones Industrial Average jumped more than 500 points on Thursday, closing at its highest level of the year. The rally was fueled by optimism about the economy and a slowdown in inflation. 🚀 💼 Peltz Takes Aim at Disney: Activist investor Nelson Peltz is...
Mazdak
Tech Today - Apple Smart Home Camera
Subscribe to our newsletter at Mazdak.com
a month ago
Subscribe to our newsletter at Mazdak.com
Commoncog
Is This a Moat: Mailchimp and PayPal’s Algorithmic Advantage
Two case studies of real world competitive advantage, followed by a question: was this a moat or...
over a year ago
Two case studies of real world competitive advantage, followed by a question: was this a moat or not?
Mazdak
Walmart Takes a Big Swing at the Advertising Market with Vizio Acquisition
In a move that sent ripples through the tech and advertising worlds, Walmart announced its...
10 months ago
In a move that sent ripples through the tech and advertising worlds, Walmart announced its acquisition of smart TV maker Vizio for $2.3 billion. This deal is far more than just about TVs; it's a strategic play by Walmart to become a major force in the booming
The Rational Walk
American Scripture
A review of Pauline Maier's book, "American Scripture", which details the conditions leading up to...
6 months ago
A review of Pauline Maier's book, "American Scripture", which details the conditions leading up to the drafting of the Declaration of Independence.
FIRE v London
Mar ’23: Harvesting tax losses
March has been rather a wet month in London. Wet, and cold. This translates into the ski slopes in...
a year ago
March has been rather a wet month in London. Wet, and cold. This translates into the ski slopes in the French Alps (finally) having great conditions – sadly too late for me to enjoy. Further north, it’s been a month of big change in Scotland. Nicola Sturgeon, the...
Citation Needed
Issue 68 – Opportunity agenda
Harris shouts out crypto in her “Opportunity Agenda for Black Men”, one crypto exec leaves prison as...
2 months ago
Harris shouts out crypto in her “Opportunity Agenda for Black Men”, one crypto exec leaves prison as another enters, and Stand With Crypto bets on the favorites.
Mazdak
Tired of Chasing Leads? Elevate Your Value Proposition
Are you spending countless hours chasing leads that aren't quite right?
a month ago
Are you spending countless hours chasing leads that aren't quite right?
Citation Needed
Coinbase appears to have violated campaign finance laws with a $25 million super PAC donation
Actively involved in contract negotiations with a federal government agency, Coinbase was likely...
4 months ago
Actively involved in contract negotiations with a federal government agency, Coinbase was likely prohibited from making its $25 million contribution to the Fairshake crypto super PAC in May 2024.
Mazdak
Nearly All US Job Growth in November Came From Just 3 Sectors!
Did you know? The US economy added 199,000 jobs in November, slightly more than expected. But what's...
a year ago
Did you know? The US economy added 199,000 jobs in November, slightly more than expected. But what's even more interesting is that nearly all of this job growth came from just three sectors! So, which sectors are we talking about? Healthcare: Leading the pack with a steady demand...
The Rational Walk
Warren Buffett on Inflation — Part 3
During periods of high inflation, capital-light businesses have important advantages. See's Candies...
a year ago
During periods of high inflation, capital-light businesses have important advantages. See's Candies during the Great Inflation of the 1970s and early 1980s is a perfect case study.
Mazdak
Understanding Employment Insurance (EI)
Employment Insurance (EI) is a social insurance program in Canada that provides temporary financial...
10 months ago
Employment Insurance (EI) is a social insurance program in Canada that provides temporary financial support to eligible individuals who lose their jobs through no fault of their own. While this is the most commonly understood purpose of EI, the program offers various benefits...
Seeking Wisdom
Modeling Life: Foundations
Herman Wouk was researching for a novel he planned to write about World War II. He interviewed...
8 months ago
Herman Wouk was researching for a novel he planned to write about World War II. He interviewed several physicists at Caltech who had worked on the bomb, including Richard Feynman. After the interview, Feynman asked Wouk if he knew Calculus. “No,” said Wouk. To which Feynman...
Citation Needed
I am my own legal department: the promise and peril of “just go independent”
Independent publishing is one important facet of the media ecosystem, and while I love it, I know it...
a month ago
Independent publishing is one important facet of the media ecosystem, and while I love it, I know it is not the path for everyone.
Mazdak
Google Pays $700 Million to Settle App Store Antitrust Concerns
Google has agreed to pay a hefty $700 million and implement key changes to its Play Store, settling...
a year ago
Google has agreed to pay a hefty $700 million and implement key changes to its Play Store, settling a major antitrust lawsuit brought by a coalition of states. This landmark deal marks a significant victory for developers and consumers alike, potentially paving the way for a more...
The Rational Walk
The Limits of an Inner Scorecard
Having an "inner scorecard" can be liberating and foster independent thinking, but ultimately human...
a year ago
Having an "inner scorecard" can be liberating and foster independent thinking, but ultimately human beings must also subject themselves to the judgment of key people in their lives.
The Rational Walk
Thucydides
Thucydides is best known for his extensive history of the Peloponnesian War which took place between...
4 months ago
Thucydides is best known for his extensive history of the Peloponnesian War which took place between 431 - 404 BC.
Mazdak
News Publishers Sue Perplexity AI for Copyright Infringement
Jeff Bezos-Backed AI Faces Legal Scrutiny Over Content Scraping Allegations.
a month ago
Jeff Bezos-Backed AI Faces Legal Scrutiny Over Content Scraping Allegations.
Calculated Risk
Q4 GDP Tracking: 2.4% to 3.1%
From Goldman:
Following this morning’s data, we left our Q4 GDP tracking estimate unchanged at 2.4%...
2 days ago
From Goldman:
Following this morning’s data, we left our Q4 GDP tracking estimate unchanged at 2.4% (quarter-over-quarter annualized) and our Q4 domestic final sales forecast unchanged at +2.3% [Dec 20th estimate]
emphasis added
And from the Atlanta Fed: GDPNow
The GDPNow model...
FIRE v London
I’m 28, and can’t figure out how to start on FatFIRE – what would you do in my shoes?
From: TazTo: FvL Hi FvL I’ve read your blog on and off for the past year or three. I graduated from...
6 months ago
From: TazTo: FvL Hi FvL I’ve read your blog on and off for the past year or three. I graduated from the London School of Economics in 2017 after which I went through the hardest few years of my life mentally and ended up unemployed or in dead-end low paid jobs. I currently work...
Mazdak
Cloudflare 2024 Internet Report Analysis
Join us as we break down Cloudflare's groundbreaking report and expose fascinating trends in...
a week ago
Join us as we break down Cloudflare's groundbreaking report and expose fascinating trends in internet traffic, security, and adoption.
Mazdak
Loonie on the Brink: Can Canada Escape US Monetary Policy?
The Canadian and American economies are deeply intertwined.
a month ago
The Canadian and American economies are deeply intertwined.
Mazdak
More Creators Can Now Make Money on YouTube
YouTube Lowers Monetization Requirements for Creators. New Twitter CEO Linda Yaccarino Sets Out...
a year ago
YouTube Lowers Monetization Requirements for Creators. New Twitter CEO Linda Yaccarino Sets Out Vision for the Platform. YouTube Makes It Easier for Small Creators to Earn Money YouTube is lowering the eligibility requirements for creators to make money from their channels....
The Rational Walk
Berkshire Hathaway Energy
Selected highlights from the 2023 EEI Financial Conference
a year ago
Selected highlights from the 2023 EEI Financial Conference
balajis.com
The Network State Book
A new book on starting new countries. Available on Kindle and for free at thenetworkstate.com.
over a year ago
A new book on starting new countries. Available on Kindle and for free at thenetworkstate.com.
Musings on Markets
Data Update 7 for 2023: Dividends, Buybacks and Cash Flows
This is the last of my data update posts for 2023, and in this one, I will focus on dividends and...
a year ago
This is the last of my data update posts for 2023, and in this one, I will focus on dividends and buybacks, perhaps the most most misunderstood and misplayed element of corporate finance. To illustrate the heat that buybacks evoke, consider two stories in the last two weeks where...
Commoncog
Commoncog is Off for the Chinese New Year
A quick announcement. Happy Year of the Rabbit everyone!
a year ago
A quick announcement. Happy Year of the Rabbit everyone!
Citation Needed
Privacy, human rights, and Tornado Cash
I am more worried about privacy than crypto crime.
7 months ago
I am more worried about privacy than crypto crime.
Mazdak
The "Buy, Borrow, Die" Strategy: How the Wealthy Avoid Taxes
The wealthy have a secret weapon when it comes to taxes: the "buy, borrow, die" strategy. This...
a year ago
The wealthy have a secret weapon when it comes to taxes: the "buy, borrow, die" strategy. This strategy allows them to avoid capital gains taxes, interest payments, and estate taxes. Here's how it works: Buy assets and hold them. This could be anything from real estate to stocks...
The Rational Walk
American Prometheus
The tragic story of J. Robert Oppenheimer encompasses far more than science and politics. It is a...
a year ago
The tragic story of J. Robert Oppenheimer encompasses far more than science and politics. It is a cautionary tale of human nature that holds timeless lessons.
Mazdak
Unlocking Tax Savings and Building Wealth for Your Children: A Smart Strategy for Business Owners
As a business owner, you're constantly seeking ways to optimize your operations, reduce costs, and...
a year ago
As a business owner, you're constantly seeking ways to optimize your operations, reduce costs, and maximize profits. But have you considered a strategy that not only benefits your business but also sets your children up for financial success? The concept of hiring your children...
Mazdak
Unlock the Power of Persuasion: The 4-Part Key to Getting What You Want
Imagine having just one skill that could propel your business to unprecedented success.
a month ago
Imagine having just one skill that could propel your business to unprecedented success.
Mazdak
Canadian Real Estate Market Predictions for 2024
As we enter the year 2024, the Canadian real estate market presents a unique landscape for...
a year ago
As we enter the year 2024, the Canadian real estate market presents a unique landscape for investors. While the explosive growth of recent years is likely to abate, a multitude of factors will continue to shape the market's trajectory. Understanding these factors is crucial for...
The Rational Walk
Endurance
The amazing story of Shackleton's legendary voyage to the Antarctic and how his 28 men survived...
10 months ago
The amazing story of Shackleton's legendary voyage to the Antarctic and how his 28 men survived shipwreck, ice floes, and constant danger.
Commoncog
The Two Types of Data Analysis
Broadly speaking, there are two approaches to data analysis in business. The two approaches have...
a year ago
Broadly speaking, there are two approaches to data analysis in business. The two approaches have different worldviews, and express different tradeoffs. Here's why that matters.
The Rational Walk
The Berkshire Hathaway Playbook
Competition tends to eliminate high profits resulting from business models that have worked...
10 months ago
Competition tends to eliminate high profits resulting from business models that have worked spectacularly well. Will Berkshire's playbook continue to perform well in the future?
The Rational Walk
Progressive is Firing on All Cylinders
Progressive resumed aggressive growth in the first quarter of 2024 while reporting a strong combined...
8 months ago
Progressive resumed aggressive growth in the first quarter of 2024 while reporting a strong combined ratio.
Calculated Risk
Part 2: Current State of the Housing Market; Overview for mid-December 2024
Today, in the Calculated Risk Real Estate Newsletter: Part 2: Current State of the Housing Market;...
a week ago
Today, in the Calculated Risk Real Estate Newsletter: Part 2: Current State of the Housing Market; Overview for mid-December 2024
A brief excerpt:
Earlier this week, in Part 1: Current State of the Housing Market; Overview for mid-December 2024 I reviewed home inventory, housing...
Mazdak
Tesla's Robotaxi: A Gamble?
Elon Musk finally took the wraps off his highly anticipated Cybercab at Tesla's "We, Robot" event on...
a month ago
Elon Musk finally took the wraps off his highly anticipated Cybercab at Tesla's "We, Robot" event on October 10th.
Mazdak
Meta's AI & Reuters: A New Era of News?
Meta's AI is changing how we consume news. The tech giant has partnered with Reuters, a leading...
a month ago
Meta's AI is changing how we consume news. The tech giant has partnered with Reuters, a leading global news provider, to bring real-time news updates directly to users through Meta's AI chatbot.
The Rational Walk
Finding Your Life’s Work
The majority of people never find their "life's work", yet the premise of paying hundreds of...
a year ago
The majority of people never find their "life's work", yet the premise of paying hundreds of thousands of dollars for a college degree assumes that they will.
The Rational Walk
The Digest #162
Volcker on inflation, Parametric insurance, The futility of guidance, Corporate governance reform,...
a year ago
Volcker on inflation, Parametric insurance, The futility of guidance, Corporate governance reform, Keeping a notebook, Singleton and Teledyne, The pros and cons of cancer screening
Mazdak
Protect Your iPhone: Apple Introduces Stolen Device Protection
Apple is taking a stand against iPhone theft with a new security feature called Stolen Device...
a year ago
Apple is taking a stand against iPhone theft with a new security feature called Stolen Device Protection, currently available to beta testers. This feature adds an extra layer of protection to your personal information and financial data, making it more difficult for thieves to...
Musings on Markets
Beat your Bot: Building your moat against AI
It seems like a lifetime has passed since artificial intelligence (AI) became the market's biggest...
3 months ago
It seems like a lifetime has passed since artificial intelligence (AI) became the market's biggest mover, but Open AI introduced the world to ChatGPT on November 30, 2022. While ChatGPT itself represented a low-tech variation of AI, it opened the door to AI not only as a business...
The Rational Walk
Too Clever by Half!
The temptation to trade in the stock market can be overwhelming, especially when prices are moving...
9 months ago
The temptation to trade in the stock market can be overwhelming, especially when prices are moving quickly. It's useful to ask, "What would Charlie Munger say?"
Citation Needed
Sam Bankman-Fried wants only six years for his "victimless" crime
Sam Bankman-Fried maintains that his crimes were victimless and resulted in zero losses, and...
9 months ago
Sam Bankman-Fried maintains that his crimes were victimless and resulted in zero losses, and therefore warrant only six years of imprisonment. Prosecutors argue that 40–50 years are justified.
The Rational Walk
The Iliad
Homer's epic poem has much to teach us about human nature if we first take the time to gain an...
8 months ago
Homer's epic poem has much to teach us about human nature if we first take the time to gain an understanding of Greek mythology.
Citation Needed
The stones left unturned in the Sam Bankman-Fried trial
From billions of mysterious Tethers to the apparent identity theft of Thai sex workers, many...
a year ago
From billions of mysterious Tethers to the apparent identity theft of Thai sex workers, many questions remain about what happened at Bankman-Fried's crypto empire.
Mazdak
Today's Top Tech News - Amazon's Discount Store
Amazon is taking on Temu and Shein with its new discount store, where everything is under $20!
a month ago
Amazon is taking on Temu and Shein with its new discount store, where everything is under $20!
Mazdak
How to Start a Cleaning Company Without Cleaning
The cleaning industry is a booming one, with the global market size expected to reach $690 billion...
a year ago
The cleaning industry is a booming one, with the global market size expected to reach $690 billion by 2026. This growth is being driven by a number of factors, including the increasing number of dual-income households, the growing popularity of Airbnb, and the rising demand for...
balajis.com
Only Newsom Can Go To China
If Nixon and Mao came to an accord, so might Newsom and Xi.
a year ago
If Nixon and Mao came to an accord, so might Newsom and Xi.
Seeking Wisdom
How a Machine Learns – Part 2
I’m truly impressed by how accurately LLMs grasp natural language and consistently provide spot-on...
a year ago
I’m truly impressed by how accurately LLMs grasp natural language and consistently provide spot-on answers. Through these posts, I’ll build a toy GPT from scratch using Python and unpack everything that goes inside the LLMs, including the math it uses. This is my third post on my...
Commoncog
Creating New Drills for Deliberate Practice
A lesson from a four month accelerated expertise experiment. Or: why creating new drills for a...
a year ago
A lesson from a four month accelerated expertise experiment. Or: why creating new drills for a deliberate practice training program isn't as difficult as you might think.
Mazdak
The Grim Outlook for Offices in 2024
The future of your workspace is facing some serious turbulence.
a year ago
The future of your workspace is facing some serious turbulence.
The Diff
What Would it Look Like if The Pod Shop Model Blew Up?
Plus! Economic Blocs; Benefits; Headlines; IP and Finance; Squaring the Global Imbalances Circle
6 days ago
Plus! Economic Blocs; Benefits; Headlines; IP and Finance; Squaring the Global Imbalances Circle
Mazdak
Understanding Family Trusts in Canada: A Comprehensive Guide
What is a Family Trust?
2 weeks ago
The Rational Walk
The Digest #181
Antisemitism in America, Charlie Munger's uncommon sense, Les Schwab's business philosophy, Niccolò...
a year ago
Antisemitism in America, Charlie Munger's uncommon sense, Les Schwab's business philosophy, Niccolò Machiavelli, internal vs. external goals, Safe withdrawal rates, Protecting your time
Calculated Risk
Thursday: Unemployment Claims, PPI, Q3 Flow of Funds
Note: Mortgage rates are from MortgageNewsDaily.com and are for top tier scenarios.
initial weekly...
a week ago
Note: Mortgage rates are from MortgageNewsDaily.com and are for top tier scenarios.
initial weekly unemployment claims report will be released. The consensus is for 220 thousand initial claims, up from 213 thousand last week.
Producer Price Index for November from the BLS. The...
The Rational Walk
The Theban Plays
The tragic life of Oedipus is the subject of The Theban Plays by Sophocles. The horrors of its plot...
2 months ago
The tragic life of Oedipus is the subject of The Theban Plays by Sophocles. The horrors of its plot has captivated audiences for nearly 2,500 years.
Citation Needed
Issue 49 – And so the Lord says "give them a 10x"
Bitcoin ETP approval, God-sent crypto scammers, and more trouble in Justin Sun's world.
11 months ago
Bitcoin ETP approval, God-sent crypto scammers, and more trouble in Justin Sun's world.
Moneyness
How is the foreign expansion of Canadian banks going?
With the high profile nixing of TD Bank's purchase of First Horizon Bank last month, I thought I'd...
a year ago
With the high profile nixing of TD Bank's purchase of First Horizon Bank last month, I thought I'd take a step back and try to visualize the last few decades of Canadian bank expansion outside of the country.
What I've done is go through the annual reports of the big-5 banks at...
The Rational Walk
The Digest #196
Daniel Kahneman (1934 — 2024), Biglari Holdings, Classical education, Sports gambling, Ackman on...
8 months ago
Daniel Kahneman (1934 — 2024), Biglari Holdings, Classical education, Sports gambling, Ackman on Disney's proxy war, Lessons from Paul Graham, Dunbar's number
Mazdak
Google Quantum Computer, OpenAI Sora Video Generator and more ...
Google just dropped a bombshell in quantum computing.
a week ago
Google just dropped a bombshell in quantum computing.
The Rational Walk
There’s Always a Reason
Enduring business models in competitive industries exist for good reasons. Dollar stores provide an...
a year ago
Enduring business models in competitive industries exist for good reasons. Dollar stores provide an important option for customers chronically short on cash.
Commoncog
Executing on Becoming Data Driven
Every analytics project consists of two parts. The technical part, and then the 'get the...
a year ago
Every analytics project consists of two parts. The technical part, and then the 'get the organisation on board' part. We talk about why the latter is the real challenge.
The Rational Walk
The Digest #186
Macintosh at 40, Coffee Can Investing, Haslams on Pilot, Vision Pro's missing apps, Investment...
11 months ago
Macintosh at 40, Coffee Can Investing, Haslams on Pilot, Vision Pro's missing apps, Investment checklists, Shane Parrish interviews Tom Gayner, Novo Nordisk, Howard Marks on interest rates
balajis.com
Prompts are Tiny Programs
And prompt engineering is a subset of software engineering.
11 months ago
And prompt engineering is a subset of software engineering.
Commoncog
The Limits of Operational Excellence
An answer to a puzzle: why is that some businesses go down the Deming path, become data driven,...
8 months ago
An answer to a puzzle: why is that some businesses go down the Deming path, become data driven, achieve operational excellence, and die, and others acquire Process Power and win?
Citation Needed
Polling: Are Democratic voters really “increasingly gravitating towards crypto”?
Paradigm has polled some Democratic voters about crypto and released a summary of their results. How...
3 months ago
Paradigm has polled some Democratic voters about crypto and released a summary of their results. How does it stack up to other industry polls, which are often heavily manipulated to paint a deceptively rosy picture?
Musings on Markets
A Business Upended: Streaming disrupts the Entertainment Business!
It has been an unsettling summer for anyone with a stake in the movie, television and broadcasting...
a year ago
It has been an unsettling summer for anyone with a stake in the movie, television and broadcasting businesses. The strike by screen actors and writers which started in July is now into almost into its third month, with no end in sight, putting at risk the pipeline of movies and...
The Rational Walk
The Digest #179
Guard your time, Tributes to Charlie Munger, Social media traps, The margin of illusion, AI...
a year ago
Guard your time, Tributes to Charlie Munger, Social media traps, The margin of illusion, AI colonoscopies, Advice on tipping, Alcohol and cardiovascular risks, Nicomachean ethics
The Rational Walk
The Digest #225
A Dangerous Interregnum, Trump's Energy Policy, Damodaran on ESG, Buffett in 1970, Inflation's Role...
a month ago
A Dangerous Interregnum, Trump's Energy Policy, Damodaran on ESG, Buffett in 1970, Inflation's Role in Trump's Victory, Taxes in Retirement, James J. Hill, IKEA, F. A. Hayek, Shakespeare
Mazdak
Why 2024 will be the year of the Delivery Drone?
For years, drone delivery has hovered on the horizon, a tantalizing glimpse of a futuristic utopia...
11 months ago
For years, drone delivery has hovered on the horizon, a tantalizing glimpse of a futuristic utopia where packages pirouette through the air and land at our doorsteps with clockwork precision. But 2024 marks a pivotal juncture, a year where the sci-fi fantasy transforms into a...
Mazdak
Open Source AI Takes Center Stage: A New Alliance Challenges Tech Giants 🤖
In a bold move to challenge the dominance of closed AI models, a new global alliance for AI open...
a year ago
In a bold move to challenge the dominance of closed AI models, a new global alliance for AI open source development has emerged, firing shots at the likes of OpenAI, Google, and Anthropic. These tech giants have captured much of the AI spotlight in 2023, but the alliance believes...
Mazdak
Tesla's Trump Card: How a Presidency Could Fuel a Trillion-Dollar Boom
What happens when a polarizing president and an electric vehicle giant collide?
a month ago
What happens when a polarizing president and an electric vehicle giant collide?
The Rational Walk
Paid Subscriptions
The reasons behind my decision to discontinue paid subscriptions.
8 months ago
The reasons behind my decision to discontinue paid subscriptions.
Commoncog
Becoming Data Driven, From First Principles
People often say things like "become data driven" without explaining what that means or how to do...
10 months ago
People often say things like "become data driven" without explaining what that means or how to do it. This is everything you need to know to actually become data driven, from scratch, using the same first principles that Amazon, Koch, and Toyota used back in their day.
Mazdak
Don't Let Savings Turn into Penalties: Understanding RRSP and TFSA Contribution Limits
Registered Retirement Savings Plans (RRSPs) and Tax-Free Savings Accounts (TFSAs) are cornerstones...
10 months ago
Registered Retirement Savings Plans (RRSPs) and Tax-Free Savings Accounts (TFSAs) are cornerstones of Canadian financial planning. Both offer distinct advantages for saving and investing, but exceeding their annual contribution limits can lead to unwanted financial consequences.
Bits about Money
Debanking (and Debunking?)
Crypto advocates kicked off a recent, somewhat politicized, discussion of debanking. Strap in for...
a week ago
Crypto advocates kicked off a recent, somewhat politicized, discussion of debanking. Strap in for scintillating banking compliance trivia.
Musings on Markets
Reaping the Whirlwind: A September 2022 Inflation Update!
In my early 2021 posts on inflation, I argued that while the higher inflation that we were just...
over a year ago
In my early 2021 posts on inflation, I argued that while the higher inflation that we were just starting to see could be explained by COVID and supply chain issues, prudence on the part of policy makers required that it be taken as a long term threat and dealt with quickly. Not...
Citation Needed
Caroline Ellison: A woman with agency or a helpless pawn?
Why did the former Alameda Research CEO receive only two years imprisonment for her role in the FTX...
2 months ago
Why did the former Alameda Research CEO receive only two years imprisonment for her role in the FTX collapse?
Citation Needed
Citation Needed has a new home
Citation Needed is no longer hosted on Substack. Welcome to my antifascist bar.
11 months ago
Citation Needed is no longer hosted on Substack. Welcome to my antifascist bar.
Musings on Markets
META Lesson 2: Accounting Inconsistencies and Consequences
In my last post, I used Facebook's recent troubles to talk about the importance of corporate...
over a year ago
In my last post, I used Facebook's recent troubles to talk about the importance of corporate governance, and how we, as investors, have abandoned the power to change management at many younger tech companies in return for being able to invest in young tech companies, with growth...
Mazdak
The 7 Steps to Becoming a Top Investor
Do you want to become a great investor? If so, you're in the right place. In this article, I'm going...
a year ago
Do you want to become a great investor? If so, you're in the right place. In this article, I'm going to share with you the seven steps that I believe are essential for becoming a top investor. Step 1: Develop a Clear Investment Philosophy The first step to becoming a great...
Bits about Money
Requiem for a bank loan
A brief retrospective on an attractive product First Republic used to offer, and a wider discourse...
a year ago
A brief retrospective on an attractive product First Republic used to offer, and a wider discourse on the banking crisis.
The Rational Walk
Burlington Northern Santa Fe — 2023 Results
Warren Buffett is concerned about the performance of Berkshire's railroad
9 months ago
Warren Buffett is concerned about the performance of Berkshire's railroad
The Rational Walk
What I’ve Been Reading
This post is a list of books that I read in the second quarter of 2024, including Aeschylus,...
5 months ago
This post is a list of books that I read in the second quarter of 2024, including Aeschylus, Herodotus, the Odyssey, and American Scripture.
balajis.com
The Network State Book
A new book on starting new countries. Available on Kindle and for free at thenetworkstate.com.
over a year ago
A new book on starting new countries. Available on Kindle and for free at thenetworkstate.com.
The Rational Walk
Inflation Expectations
There's no reason for anyone to care what I think about inflation and interest rates, but readers...
9 months ago
There's no reason for anyone to care what I think about inflation and interest rates, but readers should pay close attention to Warren Buffett's statements and actions.
Commoncog
Putting Amazon’s PR/FAQ to Practice
What it's like putting Amazon's famed Working Backwards process to practice in a small company...
over a year ago
What it's like putting Amazon's famed Working Backwards process to practice in a small company context, and what was surprising and difficult about it.
balajis.com
The Bitcoin ETF is the spiritual reversal of Executive Order 6102
Back in 1935, they seized the gold. But now, digital gold is back.
11 months ago
Back in 1935, they seized the gold. But now, digital gold is back.
Citation Needed
Video: The charges against Binance
In December, not long after the Department of Justice announced charges against cryptocurrency giant...
11 months ago
In December, not long after the Department of Justice announced charges against cryptocurrency giant Binance and its CEO Changpeng "CZ" Zhao, I started writing up an overview of everything that had happened to the company over the past few years. I'd written separately about a...
Mazdak
The Best Age to Start Taking Social Security: It's Not What You Think
When you reach full retirement age (FRA), you can start taking Social Security benefits. But you may...
a year ago
When you reach full retirement age (FRA), you can start taking Social Security benefits. But you may want to consider taking them sooner, even if it means a smaller monthly check. Here's why: Your benefits will grow by 8% per year for each year you delay taking them, up to age...
Citation Needed
Issue 57 - I take deep breath and I get real high
Changpeng Zhao's sentencing, FOIA requests reveal past FBI investigations into Coinbase, and the SEC...
7 months ago
Changpeng Zhao's sentencing, FOIA requests reveal past FBI investigations into Coinbase, and the SEC is on a Wells notice bender.
The Rational Walk
By diverse means we arrive at the same end
Montaigne's Essays: Book 1, Chapter 1
a year ago
Montaigne's Essays: Book 1, Chapter 1
Moneyness
How would a cash-only central bank conduct monetary policy?
What role do changes in the supply of banknotes play in contributing to a central bank's ability to...
a year ago
What role do changes in the supply of banknotes play in contributing to a central bank's ability to carry out monetary policy? Put differently, to what degree does "printing," or creating new physical currency and issuing it into the economy, contribute to generating a central...
Commoncog
Operational Excellence is the Pursuit of ‘Knowledge’
It turns out that operational excellence results from the pursuit of a certain form of knowledge....
a year ago
It turns out that operational excellence results from the pursuit of a certain form of knowledge. This is Part 3 of the Becoming Data Driven series, and the result of a deep dive into the field of statistical process control.
The Rational Walk
The Thirty Second Mind
Minds capable of deep concentration may soon be extinct.
11 months ago
Minds capable of deep concentration may soon be extinct.
The Rational Walk
The Digest #214
September 11, 2001, Nixon vs JFK, Apple's future, Damodaran on decline, Berkshire's book value,...
3 months ago
September 11, 2001, Nixon vs JFK, Apple's future, Damodaran on decline, Berkshire's book value, Founder mode, Chasing dividends, Caro on LBJ, Peter Lynch, Epicureanism, Mt Everest
Mazdak
Twitter vs. Instagram Threads: The Battle for the Short-Form Social Media Crown
Twitter and Instagram are two of the most popular social media platforms in the world. They both...
a year ago
Twitter and Instagram are two of the most popular social media platforms in the world. They both offer users a way to share short-form content, but they have different approaches to how that content is displayed and consumed. Twitter is a more public platform, where anyone can...
Moneyness
Memecoins are the point
Cypherpunks wanted to change the world. We ended up with memecoins.
Our story begins with some very...
a month ago
Cypherpunks wanted to change the world. We ended up with memecoins.
Our story begins with some very smart and idealistic developers, known as cypherpunks, creating a new technology know as a blockchain. Blockchains are databases, but decentralized. Advertised as being...
Mazdak
Playing it Safe Paid Off in 2023, But Now It's Time to Take More Risk with Your Money
2023 was a year of playing it safe for investors, with many flocking to the security and guaranteed...
a year ago
2023 was a year of playing it safe for investors, with many flocking to the security and guaranteed returns of cash and cash-like investments. This was largely driven by the Fed's aggressive interest rate hikes, which boosted the yields of money-market funds and similar...
balajis.com
The Balaji Newsletter
A single place for all updates at balajis.com
a year ago
A single place for all updates at balajis.com
Musings on Markets
Putting the (Insta)cart before the (Grocery) horse: A COVID Favorite's Reality Check!
After years of rumors of an imminent IPO, Instacart has finally filed for a public offering of it’s...
a year ago
After years of rumors of an imminent IPO, Instacart has finally filed for a public offering of it’s shares, aspiring to raise about $600 million from markets, at a pricing of about $9-$10 billion for its equity. Coming in the week after ARM, an AI chip designer, also filed to go...
Calculated Risk
Weekly Initial Unemployment Claims Increase to 242,000
The DOL reported:
emphasis added
The following graph shows the 4-week moving average of weekly...
a week ago
The DOL reported:
emphasis added
The following graph shows the 4-week moving average of weekly claims since 1971.
Click on graph for larger image.
The dashed line on the graph is the current 4-week average. The four-week average of weekly unemployment claims increased to...
Bits about Money
Money laundering and AML compliance
A brief overview of what money laundering is, what financial institutions do about it, and why.
a year ago
A brief overview of what money laundering is, what financial institutions do about it, and why.
Moneyness
The long arm of OFAC and its reach into the Ethereum network
Coinbase, the U.S.'s largest crypto exchange, is openly processing Ethereum transactions involving...
a year ago
Coinbase, the U.S.'s largest crypto exchange, is openly processing Ethereum transactions involving Tornado Cash, a piece of blockchain infrastructure that was sanctioned by the U.S. government last year for providing mixing services to North Korea.
Over the last two weeks...
Moneyness
How PayPal can use stablecoins to avoid AML requirements and make big profits
There's a new financial loophole in town: stablecoins. Stablecoins are dollar, yen, or pound-based...
9 months ago
There's a new financial loophole in town: stablecoins. Stablecoins are dollar, yen, or pound-based payments platforms that are built using crypto database technology.
Financial institutions are always looking for loopholes to game the system. Typically this has meant avoiding...
The Diff
We Still Have No Idea Whether Passive Investing is a Meaningful Risk
Plus! Complements and Strategy; Privacy, Competition, and Scale; Platforms and Ownership; KYC;...
3 weeks ago
Plus! Complements and Strategy; Privacy, Competition, and Scale; Platforms and Ownership; KYC; Tariff Man
FIRE v London
May ’24: UK election called
The month of May seems a little while ago, so I’d better get on and write it up. This will be quick....
6 months ago
The month of May seems a little while ago, so I’d better get on and write it up. This will be quick. The big news in the UK was Rishi Sunak, the outgoing PM, calling a general election for 4 July. Independence-from-the-Tories Day. May was also the month that u-turner/blowharder...
Mazdak
Can Zuckerberg Challenge Google's Search Empire?
Mark Zuckerberg is making a bold move to challenge Google's long-standing dominance in the search...
a month ago
Mark Zuckerberg is making a bold move to challenge Google's long-standing dominance in the search engine market.
The Rational Walk
The Oresteia
The Oresteia is a trilogy produced by Aeschylus in 458 BC. Trapped in a cycle of lawless savagery,...
6 months ago
The Oresteia is a trilogy produced by Aeschylus in 458 BC. Trapped in a cycle of lawless savagery, mankind finds its way toward due process and justice.
Mazdak
Big Tech Donating to Trump's Inaugural Fund, Teens' Online Habits, More Tech Updates
Amazon is reportedly donating $1M to Trump’s inaugural fund and will stream the inauguration on...
a week ago
Amazon is reportedly donating $1M to Trump’s inaugural fund and will stream the inauguration on Prime Video 😀
FIRE v London
July ’23: Markets up, Coutts down
It’s been a dismally wet July here in London. About 50% more rainfall than normal (which, before ye...
a year ago
It’s been a dismally wet July here in London. About 50% more rainfall than normal (which, before ye scoff, isn’t that much – London is a fairly dry city – drier than Rome and much drier than Sydney). It has been long trousers weather, for the first time in several years. But at...
Musings on Markets
In Search of Safe Havens: The Trust Deficit and Risk-free Investments!
In every introductory finance class, you begin with the notion of a risk-free investment, and the...
a year ago
In every introductory finance class, you begin with the notion of a risk-free investment, and the rate on that investment becomes the base on which you build, to get to expected returns on risky assets and investments. In fact, the standard practice that most analysts and...
Citation Needed
Issue 46 – Checkmate, crypto
Cheating chess-players, cursed mansions, and more defi centralization.
a year ago
Cheating chess-players, cursed mansions, and more defi centralization.
Citation Needed
Issue 50 – Bitcoin busts
Governments seize huge quantities of bitcoin, and a few people seem to be yearning for the days of...
10 months ago
Governments seize huge quantities of bitcoin, and a few people seem to be yearning for the days of peak crypto mania.
Mazdak
5 Must-Read Finance Books for Building Wealth
a year ago
Seeking Wisdom
Attention is all you need – Part 2
This is the 11th and final post in my series on building a toy GPT. Read my earlier posts first for...
12 months ago
This is the 11th and final post in my series on building a toy GPT. Read my earlier posts first for better understanding. I concluded the previous post by explaining how Attention works. You can download the Excel sheet and Python code that explains how Attention from here and...
Commoncog
How to Use Power
How do you gain power, use power, and identify those who have power, so that you may protect...
2 weeks ago
How do you gain power, use power, and identify those who have power, so that you may protect yourself against them? Part two of three in a series on power in business.
Commoncog
Power and Asian Business
The culmination of the Power in Business mini series. What it’s like doing business without the Rule...
a week ago
The culmination of the Power in Business mini series. What it’s like doing business without the Rule of Law.
Musings on Markets
A Return to Teaching: The Spring 2023 Edition
If, as you read this post, it feels like you have read it or a close variant before, it is because...
over a year ago
If, as you read this post, it feels like you have read it or a close variant before, it is because you have. Each year, ahead of teaching my classes at NYU's Stern School of Business in the spring, I invite readers to accompany me on my journey, and this year is no different....
FIRE v London
April ’24: Juggling cash as new UK tax year begins
The temperature in the Middle East got even hotter in April, with Israel and Iran trading attacks on...
7 months ago
The temperature in the Middle East got even hotter in April, with Israel and Iran trading attacks on each other’s sovereign buildings/territory. Somehow World War III has never really seemed in danger of breaking out but it is a reminder that only change is constant. Over in New...
The Rational Walk
The Sad Irons
During the depths of the Great Depression, Lyndon Johnson was determined to electrify the Texas Hill...
a year ago
During the depths of the Great Depression, Lyndon Johnson was determined to electrify the Texas Hill Country. Success was integral to his path to greater power.
Mazdak
Interest Rates Dip, But Will Demand Follow?
As the housing market continues its dynamic dance, a recent drop in interest rates presents a...
a year ago
As the housing market continues its dynamic dance, a recent drop in interest rates presents a curious conundrum. While the average 30-year fixed-rate mortgage for qualifying loans sunk to 6.83%, purchase applications surprisingly declined 1%. This begs the question:
Commoncog
Making Sense of Deming
A comprehensive summary of W. Edwards Deming's ideas, whose System of Profound Knowledge is one of...
9 months ago
A comprehensive summary of W. Edwards Deming's ideas, whose System of Profound Knowledge is one of the most powerful things you'll find on the Operations side of the business expertise triad. Read this, so you don't have to read multiple books to apply his ideas.
FIRE v London
July ’24: New UK government
July has been quite a busy month. I’ve been getting about a bit. Some South Coast action, some...
4 months ago
July has been quite a busy month. I’ve been getting about a bit. Some South Coast action, some Mediterranean fun, a trip up to Oxford, a visit to one of England’s great Cathedrals, and more. And July saw some fine times in London. Both outdoors and inside. And of course we had...
Mazdak
Tech Titans: AI Race Heats Up!
We will explore the intensifying competition between major tech companies in the field of artificial...
a month ago
We will explore the intensifying competition between major tech companies in the field of artificial intelligence.
Seeking Wisdom
What I Learned from The South Asian Health Solution and wearing a Continuous Glucose Monitor
We all know avocados are healthy, and coke is bad. Yet we can’t help but gulp down a coke with a...
7 months ago
We all know avocados are healthy, and coke is bad. Yet we can’t help but gulp down a coke with a plate full of french fries. It takes an enormous amount of energy to break bad habits. I’ve broken bad habits under two conditions: (a) it’s a do-or-die situation, or (b) you have a...
Mazdak
The Big News: ChatGPT Pays Up for Content, Ushering in a New Era for Media & AI
Get ready for a paradigm shift, folks! News just dropped that OpenAI, the brains behind ChatGPT, has...
a year ago
Get ready for a paradigm shift, folks! News just dropped that OpenAI, the brains behind ChatGPT, has signed a multi-year licensing deal with Axel Springer, the media giant behind Politico and Business Insider. This isn't just any deal, it's a game-changer
Commoncog
Focus Doesn't Mean Doing One Thing at a Time
Focus may be about saying no to good ideas, but it certainly doesn't mean doing one thing at a time....
over a year ago
Focus may be about saying no to good ideas, but it certainly doesn't mean doing one thing at a time. This is what focus looks like at an organisational level, told through the story of a business turnaround and the Marine Corps approach to war.
Mazdak
Waymo in Japan, Veo 2 AI video, Snapchat Monetization ...
Google DeepMind has upped the game in AI video generation.
5 days ago
Google DeepMind has upped the game in AI video generation.
Citation Needed
Issue 69 – Nice
Coinbase threatens me that continuing to report on their activities would be “.... unwise”. Also,...
a month ago
Coinbase threatens me that continuing to report on their activities would be “.... unwise”. Also, election spending hits a fever pitch, with several new crypto PACs coming out of the woodwork.
Commoncog
Marvel Studios’s Origin Story
The creation of Marvel Studios was contingent on some very creative financial dealmaking. A story of...
a year ago
The creation of Marvel Studios was contingent on some very creative financial dealmaking. A story of superb capital expertise in action.
Citation Needed
Become a Wikipedian in 30 minutes
What will we do if Wikipedia falls to the type of AI-generated garbage that seems to be...
10 months ago
What will we do if Wikipedia falls to the type of AI-generated garbage that seems to be proliferating on the web? The number one thing you can do is learn to edit, and I will walk you through how to get started in only 30 minutes.
Commoncog
There Is No Truth in Business, Only Knowledge
'Knowledge' here is defined as 'theories or models that help you predict better'. How an idea from...
a year ago
'Knowledge' here is defined as 'theories or models that help you predict better'. How an idea from W. Edwards Deming may well be a working philosophy of business.
The Rational Walk
The Use of Letters
As Mark Twain said, a person who won't read has no real advantage over a person who can't read. It...
a year ago
As Mark Twain said, a person who won't read has no real advantage over a person who can't read. It makes no sense to refuse to learn vicariously.
Moneyness
A back-of-the-envelope estimate of the size of the US crypto ETF market
I'm hearing all sorts of silly projections about how big the U.S. market for a physical crypto ETFs...
a year ago
I'm hearing all sorts of silly projections about how big the U.S. market for a physical crypto ETFs will be, and how their eventual approval will drive new bitcoin demand and pump its price into the stratosphere.
To date, the Securities and Exchange Commission (SEC) has refused...
FIRE v London
10 year review
Wahoop! I have made it through ten years. In fact, I’ve had a trackable portfolio for over 20 years....
a year ago
Wahoop! I have made it through ten years. In fact, I’ve had a trackable portfolio for over 20 years. But 10 years ago I started tracking my portfolio in a consistent, monthly way – unitising its performance so I could measure its return. It wasn’t until 2015 that I started this...
Citation Needed
Issue 63 – RobConf 2024
Coinbase responds to campaign finance violation allegations, Trump panders to bitcoiners, and I chat...
4 months ago
Coinbase responds to campaign finance violation allegations, Trump panders to bitcoiners, and I chat with Lyn Alden about sexism in bitcoin.
Commoncog
High Roller: Lessons from America's Richest Banker
Andy Beal's story is an astounding story of capital allocation, incidentally making him America's...
a year ago
Andy Beal's story is an astounding story of capital allocation, incidentally making him America's richest banker. A guest post by Frederik Gieschen.
The Rational Walk
Daily Journal: The Canary in the Coal Mine?
Daily Journal and Berkshire Hathaway have little in common aside from Charlie Munger's influence....
7 months ago
Daily Journal and Berkshire Hathaway have little in common aside from Charlie Munger's influence. Recent development at Daily Journal raise concerns.
Musings on Markets
Data Update 4 for 2023: Country Risk - Measures and Implications
I describe myself as a dabbler, and it does get in the way of my best laid plans. A few weeks ago, I...
a year ago
I describe myself as a dabbler, and it does get in the way of my best laid plans. A few weeks ago, I posted my first data update pulling together what I had learned from looking at the data in 2023, and promised many more on the topic. In the month since, I have added two more...
balajis.com
#1 - Vitalik Buterin on Starting New Countries, Upgrading Ethereum, and Improving Yourself
Listen now (118 min) | A discussion between Vitalik Buterin and Balaji Srinivasan on starting new...
a year ago
Listen now (118 min) | A discussion between Vitalik Buterin and Balaji Srinivasan on starting new countries, improving yourself, and upgrading Ethereum. OUTLINE 00:00 - Introduction 01:27 - A brief history of Ethereum 16:54 - The DAO hack 20:32 - The Devcon 2 attack 33:24 - The...
Mazdak
Adobe Scraps $20 Billion Figma Deal
Adobe's blockbuster $20 billion bid for Figma, the web-based design darling, is officially off the...
a year ago
Adobe's blockbuster $20 billion bid for Figma, the web-based design darling, is officially off the table! This dramatic pivot throws a spotlight on the tightening grip of global regulators on tech mergers, leaving investors and industry players to wonder:
Mazdak
RRSP Guide for New Immigrants to Canada: Everything You Need to Know
As a newcomer to Canada, one of the most important financial tools you'll encounter is the...
a month ago
As a newcomer to Canada, one of the most important financial tools you'll encounter is the Registered Retirement Savings Plan (RRSP).
Moneyness
Thoughts on the Tornado Cash defence and what happens when everyone adopts it
Payments companies are regularly punished for engaging in money laundering. MoneyGram, for instance,...
8 months ago
Payments companies are regularly punished for engaging in money laundering. MoneyGram, for instance, has has to pay multiple fines. Western Union was famously busted in 2017. Meanwhile, Cash App is being probed as we speak for inadequate anti-money laundering controls.
In the...
Citation Needed
Issue 59 – Hot damn, this is going to get interesting quickly
Are US legislators warming to crypto? The SEC approves Ethereum ETPs, and a crypto bill gets through...
6 months ago
Are US legislators warming to crypto? The SEC approves Ethereum ETPs, and a crypto bill gets through the House.
Commoncog
Lesley Sim on Skill Acceleration in Ultimate
Cedric talks to Lesley Sim about her experience coaching the Singaporean Ultimate Women's World...
a year ago
Cedric talks to Lesley Sim about her experience coaching the Singaporean Ultimate Women's World Championship Team in 2020, her approach to skill acceleration, and why a teaching technique designed for dogs and dolphins works just as well on humans!
Mazdak
5 Sneaky Financial Traps Sabotaging Your Middle-Class Dream (and How to Escape Them)
In today's dynamic financial landscape, the middle class faces unique challenges. Building wealth...
11 months ago
In today's dynamic financial landscape, the middle class faces unique challenges. Building wealth amidst rising costs and shifting landscapes requires careful navigation, avoiding insidious traps that can derail your financial goals. This newsletter identifies
Moneyness
Is it legal to mix cash in a jar?
Chris Blec asks the following question:
Source: Twitter
Chris's premise is that it is "not...
a year ago
Chris Blec asks the following question:
Source: Twitter
Chris's premise is that it is "not illegal" for him to get together with a bunch of strangers to mix cash. But that's not quite right. It can be legal. It can also be illegal. To determine which it is, we need to...
Mazdak
Inside xAI: Musk vs. OpenAI
Elon Musk is on a mission to create the world's most powerful AI, and he's not afraid to take on his...
3 weeks ago
Elon Musk is on a mission to create the world's most powerful AI, and he's not afraid to take on his former company, OpenAI, to do it.
FIRE v London
Becoming an ISA $millionaire
This time last year I wrote that my annual ISA update was many months late. I had delayed it until...
a year ago
This time last year I wrote that my annual ISA update was many months late. I had delayed it until using my full annual ISA allowance(s), which took me much longer than usual last year. This year I actually completed my ISA topups in April, within a few weeks of the start of the...
Commoncog
Data is an Added Sense
A useful operating principle to sidestep the biggest misconception with becoming data driven in...
4 months ago
A useful operating principle to sidestep the biggest misconception with becoming data driven in business.
The Rational Walk
Will Progressive’s Growth Strategy Pay Off?
The auto insurer continues to add customers but posted disappointing results in the second quarter...
a year ago
The auto insurer continues to add customers but posted disappointing results in the second quarter due to catastrophe losses and inadequate pricing.
The Rational Walk
A Very Strange Public Offering
The story of the initial offering of Berkshire Hathaway's Class B stock is an excellent example of...
a year ago
The story of the initial offering of Berkshire Hathaway's Class B stock is an excellent example of Warren Buffett's unconventional approach toward his business partners.
Commoncog
A Big Part of Being Data Driven is Will Not Skill
What it's like being data driven in the restaurant business ... and what it tells us about becoming...
5 months ago
What it's like being data driven in the restaurant business ... and what it tells us about becoming data driven in business more broadly.
Mazdak
The 4% Rule: A Guide to Retirement Withdrawals, Not a Golden Ticket
For many approaching retirement, the question of "how much can I safely withdraw?" looms large....
8 months ago
For many approaching retirement, the question of "how much can I safely withdraw?" looms large. Enter the 4% rule, a popular guideline that suggests retirees can withdraw 4% of their retirement savings in the first year and adjust for inflation thereafter. But is it a guaranteed...
Bits about Money
BAM's Early Adopter discount ends soon
Bits about Money's Early Adopter discount ends on January 31st, 2023.
a year ago
Bits about Money's Early Adopter discount ends on January 31st, 2023.
Commoncog
Under The Hood
How do you shape employee culture? How do you win employee commitment? Under The Hood has a coherent...
a month ago
How do you shape employee culture? How do you win employee commitment? Under The Hood has a coherent model for building this skill.
Commoncog
The Deming Paradox: Operationally Rigorous Companies Aren't Very Nice Places to Work
Is it possible to be data driven and operationally rigorous and still be human centric at the same...
a year ago
Is it possible to be data driven and operationally rigorous and still be human centric at the same time? Deming — who came up with these data techniques — believe that it is possible. I'm not so sure.
The Rational Walk
Warren Buffett on Inflation — Part 2
Inflation took the auto insurance industry by surprise in the 1970s, impacting Berkshire's auto...
a year ago
Inflation took the auto insurance industry by surprise in the 1970s, impacting Berkshire's auto insurance business as well as nearly bankrupting GEICO.
The Rational Walk
The Berkshire Hathaway MBA
Studying Warren Buffett, Charlie Munger, and Berkshire Hathaway's history can provide a level of...
a year ago
Studying Warren Buffett, Charlie Munger, and Berkshire Hathaway's history can provide a level of fluency in business and investing rivaling a costly MBA degree.
Calculated Risk
FDIC: Number of Problem Banks Increased Slightly in Q3 2024
The FDIC released the Quarterly Banking Profile for Q3 2024:
The Industry’s Net Income Decreased...
a week ago
The FDIC released the Quarterly Banking Profile for Q3 2024:
The Industry’s Net Income Decreased From the Prior Quarter, Driven by One-Time Items
Asset Quality Metrics Remained Generally Favorable, Though Weakness in Certain Portfolios
Persists
the industry reported the largest...
Mazdak
Sam Altman Returns to OpenAI as CEO
In a stunning turn of events, Sam Altman has been reinstated as CEO of OpenAI, just days after being...
a year ago
In a stunning turn of events, Sam Altman has been reinstated as CEO of OpenAI, just days after being fired by the company's board. The move comes after a whirlwind few days that saw Altman's supporters rally to his side, with many threatening to quit if he was not brought back.
Moneyness
The strange new world of multifunctional assets
I would never own it, but the cryptocurrency BNB is probably one of the strangest most interesting...
a year ago
I would never own it, but the cryptocurrency BNB is probably one of the strangest most interesting assets I've ever analyzed. No other asset (perhaps ever?) provides its owner with so much functionality.
Is the sort of multi-functionality offered by assets like BNB a feature...
The Rational Walk
New Articles Moving to Newsletter
Effective today, I will no longer post new articles to this website, rationalwalk.com. All new...
a year ago
Effective today, I will no longer post new articles to this website, rationalwalk.com. All new articles will be posted on my Substack at newsletter.rationalwalk.com.
Musings on Markets
The Power of Expectations: Nvidia's Earnings and the Market Reaction!
Last Wednesday (August 28), the market waited with bated breath for Nvidia’s earning call, scheduled...
3 months ago
Last Wednesday (August 28), the market waited with bated breath for Nvidia’s earning call, scheduled for after the market closed. That call, at first sight, contained exceptionally good news, with revenues and earnings coming in at stratospheric levels, and above expectations,...
Calculated Risk
Realtor.com Reports Active Inventory Up 23.5% YoY
What this means: On a weekly basis, Realtor.com reports the year-over-year change in active...
a week ago
What this means: On a weekly basis, Realtor.com reports the year-over-year change in active inventory and new listings. On a monthly basis, they report total inventory. For November, Realtor.com reported inventory was up 26.2% YoY, but still down 21.5% compared to the 2017 to...
The Rational Walk
Concentrated Investments
Many Berkshire Hathaway shareholders have a very large percentage of their net worth invested in the...
a year ago
Many Berkshire Hathaway shareholders have a very large percentage of their net worth invested in the company. What are the risks of concentrated investments in general and Berkshire in particular?
Mazdak
CPP vs OAS: Understanding Canada's Core Retirement Benefits 🇨🇦
Canada's retirement income system consists of two major public pension programs: the Canada Pension...
a month ago
Canada's retirement income system consists of two major public pension programs: the Canada Pension Plan (CPP) and Old Age Security (OAS).
Mazdak
A Guide to 2024 Tax Brackets and Rates (Canada 🇨🇦)
Tax season can be a daunting journey, with its intricate paths and hidden obstacles. For Canadian...
11 months ago
Tax season can be a daunting journey, with its intricate paths and hidden obstacles. For Canadian taxpayers, understanding the tax code and optimizing their financial position requires careful planning and informed decisions. This comprehensive guide equips you with the knowledge...
Moneyness
Why is Binance leaving Canada?
Binance, the world's largest crypto exchange, announced last month that it would be exiting Canada....
a year ago
Binance, the world's largest crypto exchange, announced last month that it would be exiting Canada. At the time, it blamed "new guidance" issued by Canada's securities regulators. We now have an even more detailed explanation from Binance about the nature of this "new guidance."...
Citation Needed
AI isn't useless. But is it worth it?
AI can be kind of useful, but I'm not sure that a "kind of useful" tool justifies the harm.
8 months ago
AI can be kind of useful, but I'm not sure that a "kind of useful" tool justifies the harm.
Calculated Risk
AIA: Architecture Billings "Flat" in November; Multi-family Billings Turn Slightly Positive
Note: This index is a leading indicator primarily for new Commercial Real Estate (CRE)...
4 days ago
Note: This index is a leading indicator primarily for new Commercial Real Estate (CRE) investment.
ABI November 2024: Architecture firm billings remain flat
Despite the AIA/Deltek Architecture Billings Index (ABI) score dipping slightly below 50 for the month, it remains close...
Mazdak
10 Steps to Transform Your Life
As someone who has built and scaled multiple businesses over decades, I've learned that success...
a month ago
As someone who has built and scaled multiple businesses over decades, I've learned that success isn't about sporadic breakthroughs—it's about consistent, intentional changes in how we think and act.
Commoncog
Business Reality Without Frameworks
A paradox: why it’s important to think about business without abstractions, even as we from what’s...
2 months ago
A paradox: why it’s important to think about business without abstractions, even as we from what’s come before.
Citation Needed
Issue 64 – Pointing its arsenal at our friends
As parts of the crypto industry scramble to court the Harris administration with events like...
4 months ago
As parts of the crypto industry scramble to court the Harris administration with events like “Crypto4Harris”, others insist it is Harris who must “bend the knee”.
Seeking Wisdom
Stay the course
I spend a couple of weeks every February keeping up with my investments, timing it to coincide with...
9 months ago
I spend a couple of weeks every February keeping up with my investments, timing it to coincide with the release of Buffett’s annual letter to shareholders. I found something interesting while performing this ritual this time. I came across Aswath Damodaran’s website, where he has...
Bits about Money
Seeing like a Bank
The structural reasons why banks sometimes behave bizarrely in interactions with customers, like...
a year ago
The structural reasons why banks sometimes behave bizarrely in interactions with customers, like forgetting things which customers tell them.
The Rational Walk
The Digest #222
Berkshire Hathaway's Q3 Results, BRK 2X Long Daily Target ETF, Presidential Election Polling, Online...
a month ago
Berkshire Hathaway's Q3 Results, BRK 2X Long Daily Target ETF, Presidential Election Polling, Online Speech, Price Controls, Shakespeare's Caesar, Musk and SpaceX, Micro-Cap Investing
balajis.com
The Network State Podcast with Balaji
The Network State Podcast with Balaji Srinivasan is on YouTube, Apple Podcasts, Spotify, Anchor.fm,...
a year ago
The Network State Podcast with Balaji Srinivasan is on YouTube, Apple Podcasts, Spotify, Anchor.fm, and thenetworkstate.com/podcast.
The Rational Walk
The Digest #187
Damage repair, Claude Shannon, Elon Musk's pay, Intellectual obesity, Apple Vision Pro, Ignoring the...
10 months ago
Damage repair, Claude Shannon, Elon Musk's pay, Intellectual obesity, Apple Vision Pro, Ignoring the market, Damodaran data updates, Apple packaging, Samsung, Big Pharma
Farnam Street
Chesterton’s Fence: A Lesson in Second Order Thinking
A core component of making great decisions is understanding the rationale behind previous decisions....
over a year ago
A core component of making great decisions is understanding the rationale behind previous decisions. If we don’t understand how we got “here,” we run the risk of making things much worse. *** When we seek to intervene in any system created by someone, it’s not enough to view...
Moneyness
Inflation as a tax
Last week I explored how Henry VIII resorted to coin debasement as a way to raise revenues in order...
a year ago
Last week I explored how Henry VIII resorted to coin debasement as a way to raise revenues in order to fight his wars. This provided Henry with the financial firepower to annex the city of Boulogne from the French in 1544, albeit at the price of England experiencing one of its...
Mazdak
Understanding the Stock Market Cycle
The stock market cycle is a crucial concept for investors aiming to navigate the financial markets...
6 months ago
The stock market cycle is a crucial concept for investors aiming to navigate the financial markets effectively. It represents the period from a market low to a peak and back again. Understanding the dynamics behind these cycles can help investors maintain their strategies during...
The Rational Walk
Stepping into the River
Just like no man steps into the same river twice, reading a worthwhile book multiple times continues...
a month ago
Just like no man steps into the same river twice, reading a worthwhile book multiple times continues to yield new insights over the years.
Mazdak
2024: The Year the Economy Wins?
As we turn the page to 2024, we're met with a cautiously optimistic economic forecast, suggesting a...
a year ago
As we turn the page to 2024, we're met with a cautiously optimistic economic forecast, suggesting a potential shift towards a more balanced and stable environment. While challenges and uncertainties remain, let's explore the key trends and strategic insights that can guide us...
Seeking Wisdom
Focus on the process, not the outcome
Woorkeri Raman, a former Indian cricketer and former coach of the India women’s national cricket...
4 months ago
Woorkeri Raman, a former Indian cricketer and former coach of the India women’s national cricket team, has two non-negotiables. As an offspinner, you must never get cut, and you must never get driven through the covers. Even when Ravichandran Ashwin takes five wickets, Raman will...
The Rational Walk
Buffett Continues to Avoid Long-Term Bonds
Berkshire's longstanding aversion to fixed-maturity investments has not changed in response to...
a year ago
Berkshire's longstanding aversion to fixed-maturity investments has not changed in response to higher interest rates.
Seeking Wisdom
Neural Networks – Part 2
This is my sixth post in a series on building a toy GPT. I recommend that you read my previous posts...
a year ago
This is my sixth post in a series on building a toy GPT. I recommend that you read my previous posts before reading this one. When using linear and logistic regression, which involve just a single linear equation, calculating derivatives is easy since there is only one equation...
Citation Needed
25 years for Sam Bankman-Fried
"The judgment has to adequately reflect the seriousness of the crime, and this was a very serious...
8 months ago
"The judgment has to adequately reflect the seriousness of the crime, and this was a very serious crime."
Musings on Markets
Disagreements and First Principles: The Pushback on my Tesla Valuation
I wrote about my most recent valuation of Tesla just over a week ago, and as has always been the...
a year ago
I wrote about my most recent valuation of Tesla just over a week ago, and as has always been the case when I value this company, I have heard from both sides of the Tesla divide. Some of you believe that I am being far too generous in my forecasts of revenues and profitability...
balajis.com
The Fiat Crisis
This is not a financial crisis. It’s a fiat crisis.
a year ago
This is not a financial crisis. It’s a fiat crisis.
FIRE v London
Sep 23: Antisocial markets
For some reason shoplifting is in the news. There’s evidently an epidemic of it. Not just in the UK,...
a year ago
For some reason shoplifting is in the news. There’s evidently an epidemic of it. Not just in the UK, but wider afield too – hence major brands pulling out of cities like San Francisco. From what I hear there is a general increase in antisocial behaviour, dating from the covid-19...
Calculated Risk
Realtor.com Reports Active Inventory Up 23.4% YoY
What this means: On a weekly basis, Realtor.com reports the year-over-year change in active...
3 days ago
What this means: On a weekly basis, Realtor.com reports the year-over-year change in active inventory and new listings. On a monthly basis, they report total inventory. For November, Realtor.com reported inventory was up 26.2% YoY, but still down 21.5% compared to the 2017 to...
Calculated Risk
Wednesday: Housing Starts, FOMC Meeting
Note: Mortgage rates are from MortgageNewsDaily.com and are for top tier scenarios.
mortgage...
4 days ago
Note: Mortgage rates are from MortgageNewsDaily.com and are for top tier scenarios.
mortgage purchase applications index.
Housing Starts for November. The consensus is for 1.344 million SAAR, up from 1.311 million SAAR.
Architecture Billings Index for October (a leading indicator...
balajis.com
#2 - Tobi Lütke & Kaz Nejatian on Shopify's Country-Sized Economy
Listen now (127 min) | Tobi Lütke (Shopify Founder & CEO), Kaz Nejatian (Shopify COO), and Balaji...
a year ago
Listen now (127 min) | Tobi Lütke (Shopify Founder & CEO), Kaz Nejatian (Shopify COO), and Balaji review how Shopify rose from tiny startup to $180B+ global economy, with an annual GMV on par with the GDP of New Zealand. In the process they touch on Hayek, the Hanseatic League,...
Commoncog
Data and the Capital Cycle: How Koch Became an Empire
How Koch Industries became an empire. We draw on ideas from both the Becoming Data Driven series and...
a year ago
How Koch Industries became an empire. We draw on ideas from both the Becoming Data Driven series and the Capital Expertise series.
Seeking Wisdom
How a Machine Learns
How a fly helped Descartes to invent the Cartesian plane René Descartes (1596 – 1650), the famous...
a year ago
How a fly helped Descartes to invent the Cartesian plane René Descartes (1596 – 1650), the famous philosopher and mathematician, was lying in his bed, eyes fixed on a fly on the ceiling. As he pondered how to accurately describe the fly’s position, Descartes visualized the...
Bits about Money
KYC and AML: beyond the acronyms
Know Your Customer policies at financial institutions have more nuance than you'd expect.
a year ago
Know Your Customer policies at financial institutions have more nuance than you'd expect.
Moneyness
A glass half-full take on Caucasus sanctions evasion
Ed Conway of Sky News recently published a very good investigation on sanctions evasion being...
2 months ago
Ed Conway of Sky News recently published a very good investigation on sanctions evasion being carried out through the Caucasus. He visits the Lars border crossing between Georgia and Russia to document how smugglers are openly moving British and German luxury cars into Russia, in...
The Rational Walk
The Digest #170
The Precautionary Principle, GEICO Layoffs, Superlinear Returns, TIPS for Retirement, Rockefeller's...
a year ago
The Precautionary Principle, GEICO Layoffs, Superlinear Returns, TIPS for Retirement, Rockefeller's advice to his son, Impact of GLP-1 agonists, Tesla's IPO, Conference call transcripts, and more ...
Musings on Markets
Data Update 5 for 2023: The Earnings Test
As I have argued in all four of my posts, so far, about 2022, it was year when we saw a return to...
a year ago
As I have argued in all four of my posts, so far, about 2022, it was year when we saw a return to normalcy on many fronts, as treasury rates reverted back to pre-2008 levels, and risk capital discovered that risk has a downside. During the course of the year, investors also...
The Rational Walk
GEICO Prioritizes Profits Over Market Share
Berkshire Hathaway's auto insurer has returned to consistent profitability in 2023 but at the price...
a year ago
Berkshire Hathaway's auto insurer has returned to consistent profitability in 2023 but at the price of ceding market share that will be costly to regain in the future.
The Rational Walk
Berkshire Hathaway Acquires BHE Minority Interests
Berkshire Hathaway has acquired the remaining minority interests in BHE from the Scott family and...
2 months ago
Berkshire Hathaway has acquired the remaining minority interests in BHE from the Scott family and now is the sole owner of the energy company.
The Rational Walk
The Digest #204
Buffett buys more Occidental, Daily Journal annual meeting notes, Experts vs. Imitators, Slowing...
6 months ago
Buffett buys more Occidental, Daily Journal annual meeting notes, Experts vs. Imitators, Slowing down time, Return of meme stocks, The U.S. Constitution, Gouverneur Morris, Cleopatra
The Rational Walk
Just Hold the Goddamn Stock!
Charlie Munger's solution to estate planning at Berkshire was simple: Just Hold the Goddamn Stock!...
3 months ago
Charlie Munger's solution to estate planning at Berkshire was simple: Just Hold the Goddamn Stock! Unfortunately, his advice is not easy to follow.
Calculated Risk
Hotels: Occupancy Rate increased Year-over-year
From STR: U.S. hotel results for week ending 7 December
The U.S. hotel industry reported positive...
6 days ago
From STR: U.S. hotel results for week ending 7 December
The U.S. hotel industry reported positive year-over-year performance comparisons, according to CoStar’s latest data through 7 December. ...
Occupancy: 59.0% (+0.5%)
emphasis added
The following graph shows the seasonal...
The Rational Walk
Berkshire Hathaway’s Q3 2023 — Overview
A high level overview of third quarter results and year-to-date repurchase activity.
a year ago
A high level overview of third quarter results and year-to-date repurchase activity.
Farnam Street
Focus to Win
Anyone can say no to bad ideas, but only a focused person can say no to good ideas. Focus is about...
over a year ago
Anyone can say no to bad ideas, but only a focused person can say no to good ideas. Focus is about saying no. When talking about one of the biggest lessons he learned from Steve Jobs, Jonny Ive said it was focus. This sounds really simplistic, but it still shocks me how few...
The Rational Walk
Berkshire Hathaway’s Q2 2023 Results
Thoughts on Berkshire Hathaway's second quarter results with a focus on GEICO, BNSF, HomeServices,...
a year ago
Thoughts on Berkshire Hathaway's second quarter results with a focus on GEICO, BNSF, HomeServices, Clayton Homes, Apple, and share repurchases.
balajis.com
#4 - The Winklevoss Twins and Balaji
Listen now (50 min) | Tyler and Cameron Winklevoss talk with Balaji about how Washington, DC is...
a year ago
Listen now (50 min) | Tyler and Cameron Winklevoss talk with Balaji about how Washington, DC is losing crypto, while other countries like the UAE and Japan are winning web3. OUTLINE 0:00 - I'm 6'5", 220, and there's two of me! 0:58 - Crypto flippening from America to Asia
Musings on Markets
META Lesson 1: Corporate Governance
As we get deeper into earnings season for the third quarter of 2022, the biggest negative surprises...
over a year ago
As we get deeper into earnings season for the third quarter of 2022, the biggest negative surprises are coming from technology companies, with the tech giants leading the way. Investors, used to a decade of better-than-expected earnings and rising stock prices at these companies,...
Farnam Street
[FS Members] Lessons from Rockefeller: The Upside of Patience
Long-term thinking is one of the most valuable traits of successful individuals. It demands that you...
a year ago
Long-term thinking is one of the most valuable traits of successful individuals. It demands that you forego the rewards of the immediate future and position yourself for lasting success. But long-term thinking is impossible without patience; it’s what made John D. Rockefeller one...
Musings on Markets
Data Update 4 for 2024: Danger and Opportunity - Bringing Risk into the Equation!
In my last data updates for this year, I looked first at how equity markets rebounded in 2023,...
10 months ago
In my last data updates for this year, I looked first at how equity markets rebounded in 2023, driven by a stronger-than-expected economy and inflation coming down, and then at how interest rates mirrored this rebound. In this post, I look at risk, a central theme in finance and...
Citation Needed
Sam Bankman-Fried: guilty on all charges
Jurors spent less than five hours deliberating before returning the verdict.
a year ago
Jurors spent less than five hours deliberating before returning the verdict.
Commoncog
Process Behaviour Charts: More Than You Need To Know
The process behaviour chart is the easiest way to differentiate between routine and exceptional...
a year ago
The process behaviour chart is the easiest way to differentiate between routine and exceptional variation. This is everything you need to know to use it well.
Mazdak
Google's Gemini Enters the AI Arena: Ready to Take on OpenAI?
Get ready for a new contender in the world of large language models (LLMs): Google's Gemini! This...
a year ago
Get ready for a new contender in the world of large language models (LLMs): Google's Gemini! This powerful AI is set to shake things up, potentially rivaling big names like OpenAI and Microsoft. What's the Buzz About Gemini? Gemini comes in three flavors:
Farnam Street
Evaluating Information: Find the Signal in the Noise
We are drowning in information. Most of that information is irrelevant. If only we could sort what...
over a year ago
We are drowning in information. Most of that information is irrelevant. If only we could sort what matters from what doesn’t. The good news is that you can train your brain to evaluate the quality of information. Not only can you quickly determine if someone knows what they are...
Moneyness
China is slowly joining the economic war against Russia
I recently shared a chart on Twitter showing Chinese exports of ball bearings to Russia. Here it...
4 months ago
I recently shared a chart on Twitter showing Chinese exports of ball bearings to Russia. Here it is:
Having accelerated after Putin's invasion of Ukraine to a run-rate of around US$5-7 million per month in 2023, Chinese ball bearing exports to Russia have been ratcheted down...
Mazdak
The Future of Healthcare: Your AI Health Pod is Here! 🩺
Get ready for a revolution in healthcare! Say goodbye to long waits and crowded waiting rooms, and...
a year ago
Get ready for a revolution in healthcare! Say goodbye to long waits and crowded waiting rooms, and hello to the CarePod, your self-contained doctor's office powered by artificial intelligence. Imagine: Stepping into a futuristic pod at your local mall, gym, or even office...
FIRE v London
In praise of Berkshire Hathaway
I think I first clocked Warren Buffett’s (and Charlie Munger RIP’s) Berkshire Hathaway around the...
10 months ago
I think I first clocked Warren Buffett’s (and Charlie Munger RIP’s) Berkshire Hathaway around the year 2000. I loved the story. Starting from, as the story was told back then, humble beginnings and a paper round, Warren Buffett (and Charlie – who I will stop mentioning but...
The Rational Walk
The Digest #172
Pilot's Founders vs. Berkshire, I Bonds, Ted Weschler interview transcript, Expanding circles of...
a year ago
Pilot's Founders vs. Berkshire, I Bonds, Ted Weschler interview transcript, Expanding circles of competence, Damodaran on Tesla, Thompson on AI, Charlie Munger, Chris Davis
Musings on Markets
Breaking up Big Tech: Cui Bono?
In a court filing on October 9, 2024, the US Department of Justice (DOJ) let it be known that it was...
2 months ago
In a court filing on October 9, 2024, the US Department of Justice (DOJ) let it be known that it was considering a break-up of Alphabet, with the addendum that it would also be pushing for the company to share the data it collects across its multiple platforms with competitors....
Moneyness
Thoughts on Privacy Pools and the law
Here's my quick first-pass take on Privacy Pools, the heir apparent to privacy tool Tornado Cash. My...
a year ago
Here's my quick first-pass take on Privacy Pools, the heir apparent to privacy tool Tornado Cash. My comments are on the legal side, and less so the technical side, although the two aren't mutually exclusive.
I've already written a bunch of times about Tornado Cash on this blog....
balajis.com
All It Takes Is All You Got
Your assets are the government's collateral.
8 months ago
Your assets are the government's collateral.
Musings on Markets
Market Bipolarity: Exuberance versus Exhaustion!
As we enter the last quarter of 2023, it has been a roller coaster of a year. We started the year...
a year ago
As we enter the last quarter of 2023, it has been a roller coaster of a year. We started the year with significant uncertainty about whether the surge in inflation seen in 2022 would persist as well as about whether the economy was headed into a recession. In the first half of...
The Rational Walk
The Other Side of the Trade
Reflections on trying to profit from the technical problems that caused Berkshire Hathaway and other...
6 months ago
Reflections on trying to profit from the technical problems that caused Berkshire Hathaway and other stocks to temporarily crash on June 3, 2024.
The Rational Walk
The Digest #180
Berkshire Hathaway Energy, John Neff and Peter Lynch on investing, Charlie Munger on parenting,...
a year ago
Berkshire Hathaway Energy, John Neff and Peter Lynch on investing, Charlie Munger on parenting, Damodaran on key person risk, Microsoft's IPO, Howard Marks and Annie Duke on risk
The Diff
Meta's Least-Untrusted Clone Model
Plus! AI Interfaces; The Many Peaks of Mobile; Borrowing Distribution Networks; Ad Arbitrages; More...
3 days ago
Plus! AI Interfaces; The Many Peaks of Mobile; Borrowing Distribution Networks; Ad Arbitrages; More YouTube AI IP
Musings on Markets
Data Update 5 for 2024: Profitability - The End Game for Business?
In my last three posts, I looked at the macro (equity risk premiums, default spreads, risk free...
10 months ago
In my last three posts, I looked at the macro (equity risk premiums, default spreads, risk free rates) and micro (company risk measures) that feed into the expected returns we demand on investments, and argued that these expected returns become hurdle rates for businesses, in the...
Mazdak
AI Gone Wrong? Can Chatbots Be Held Responsible for Suicide?
This episode examines the tragic case of a teenager who became obsessed with an AI companion bot and...
a month ago
This episode examines the tragic case of a teenager who became obsessed with an AI companion bot and later died by suicide.
The Rational Walk
Buffett Resumes Occidental Purchases
Berkshire spent $246.4 million to acquire 3.9 million OXY shares between October 23 and October 25.
a year ago
Berkshire spent $246.4 million to acquire 3.9 million OXY shares between October 23 and October 25.
balajis.com
California Is Not A Democracy
It's a one-party state. They hold elections, but the Party always wins.
6 months ago
It's a one-party state. They hold elections, but the Party always wins.
Mazdak
Choosing the Optimal Legal Structure for Your Small Business 🇨🇦
Launching a small business is a thrilling entrepreneurial adventure, but selecting the appropriate...
11 months ago
Launching a small business is a thrilling entrepreneurial adventure, but selecting the appropriate legal framework can feel like traversing a complex maze. This guide sheds light on the merits and drawbacks of the three primary options: sole proprietorship, partnership, and...
Commoncog
The Capital Cycle
What a famous investing framework — part of the modern canon of value investing — tells us about the...
a year ago
What a famous investing framework — part of the modern canon of value investing — tells us about the expertise of capital in business.
Moneyness
There won't be a Blackrock bitcoin ETF, at least not until Binance bites the dust
Back in 2018 I wrote about the controversy over the constant stream of bitcoin ETF denials emanating...
a year ago
Back in 2018 I wrote about the controversy over the constant stream of bitcoin ETF denials emanating from the Securities and Exchange Commission (SEC). And my conclusion then was: "further rejections likely." My conclusion in 2023 is the same. Even with Wall Street-giant...
Mazdak
Bank of Canada Holds Rates Steady, Inflation Progress Seen as Insufficient
The Bank of Canada (BoC) opted to maintain its key interest rate at 5% today, signaling a cautious...
9 months ago
The Bank of Canada (BoC) opted to maintain its key interest rate at 5% today, signaling a cautious stance on inflation despite recent declines. Governor Tiff Macklem acknowledged progress in bringing inflation down to 2.9% in January, but emphasized the need for continued...
Citation Needed
Follow the Crypto
FollowTheCrypto.org: A new project to track cryptocurrency industry spending to influence 2024...
5 months ago
FollowTheCrypto.org: A new project to track cryptocurrency industry spending to influence 2024 elections in the United States.
Mazdak
Multifamily Real Estate Investment
Multifamily real estate investment is the purchase of apartment buildings or other residential...
a year ago
Multifamily real estate investment is the purchase of apartment buildings or other residential properties with three or more units. It can be a good investment for a number of reasons, including: Potential for high cash flow. Multifamily properties can generate a steady stream of...
The Rational Walk
The Digest #212
Berkshire Hathaway at $1 Trillion, Warren Buffett's Canvas, Dollar General, Mr Market Miscalculates,...
3 months ago
Berkshire Hathaway at $1 Trillion, Warren Buffett's Canvas, Dollar General, Mr Market Miscalculates, Competing in Search, The American Dream, Li Lu, Deep Dive into AI, The Impact of Debt, and more ...
Calculated Risk
Housing Dec 16th Weekly Update: Inventory down 1.1% Week-over-week, Up 26.6% Year-over-year
Altos reports that active single-family inventory was down 1.1% week-over-week. Inventory is now...
6 days ago
Altos reports that active single-family inventory was down 1.1% week-over-week. Inventory is now 7.7% below the peak for the year (8 weeks ago).
Inventory will continue to decline seasonally until early next year.
The first graph shows the seasonal pattern for active...
Moneyness
Renovatio monetae
This silver pfennig from the Archbishopric of Magdeburg (1152-1192) was subject to a policy of...
7 months ago
This silver pfennig from the Archbishopric of Magdeburg (1152-1192) was subject to a policy of renovatio monetae. Twice a year whoever held it had to bring it in to be changed for new coins at a rate of four old coins to three new coins. That suggests an annualized tax rate on...
Commoncog
Dell's Capital Expertise
We trace Michael Dell's skill at the art of capital in business, and use it to examine how skill at...
a year ago
We trace Michael Dell's skill at the art of capital in business, and use it to examine how skill at capital allows you to make moves that aren't available to a novice business operator.
The Diff
Initiations
Plus! Alternative Data; Size and Momentum; The Full Audience; Same-Day
2 weeks ago
Plus! Alternative Data; Size and Momentum; The Full Audience; Same-Day
Bits about Money
Banking in very uncertain times
We may be in the early stages of a banking crisis: why, what we're doing to avoid it, and what we...
a year ago
We may be in the early stages of a banking crisis: why, what we're doing to avoid it, and what we may not get about it.
Bits about Money
Markets in power
How physics and infrastructure combine to generate (ba dum bum) the power market.
over a year ago
How physics and infrastructure combine to generate (ba dum bum) the power market.
Commoncog
Commoncog's Next Phase
Announcing the launch of the Commoncog Case Library, setting the Learning in Ill-Structured Domains...
a year ago
Announcing the launch of the Commoncog Case Library, setting the Learning in Ill-Structured Domains series free, and one more thing.
Mazdak
Meta Fined & FBI on Polymarket
Meta slapped with a HUGE EU fine, the FBI is investigating Polymarket...
a month ago
Meta slapped with a HUGE EU fine, the FBI is investigating Polymarket...
Seeking Wisdom
From Linear to Logistic – Sigmoid Curve and Log Loss
Can we predict the likelihood of heart disease from sleep and exercise? This is my fourth post on my...
a year ago
Can we predict the likelihood of heart disease from sleep and exercise? This is my fourth post on my journey to build a toy GPT. I’d recommend checking out my previous posts before diving into this one. Let’s train a model to predict heart disease using sleep and exercise data....
Moneyness
The first round of U.S. secondary sanctions on Russia is working
Turkish banks halted transactions with Russian banks last month and are only slowly reintroducing...
10 months ago
Turkish banks halted transactions with Russian banks last month and are only slowly reintroducing payments for a narrow range of products that are on a so-called "green list," reports Ragip Soylu. This broad debanking of Russia by Turkey is part of the fallout from President...
Calculated Risk
The "Home ATM" Mostly Closed in Q3
Today, in the Calculated Risk Real Estate Newsletter: The "Home ATM" Mostly Closed in Q3
A brief...
a week ago
Today, in the Calculated Risk Real Estate Newsletter: The "Home ATM" Mostly Closed in Q3
A brief excerpt:
During the housing bubble, many homeowners borrowed heavily against their perceived home equity - jokingly calling it the “Home ATM” - and this contributed to the subsequent...
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