FIRE v London
Feb ’24: Envyidia
I’ve had quite a lot of culture to enjoy in February. Aside from some travel for the Six Nations...
3rd Mar 2024
I’ve had quite a lot of culture to enjoy in February. Aside from some travel for the Six Nations rugby, I’ve been to two shows – one in London’s Royal Opera House and one on the south coast. Both events were either full or practically full. Covid feels fully behind us now. But...
Musings on Markets
A Golden Year (2025): Gold's Price Surge - The Signal in the Noise!
I grew up in India in a time where if you had wealth, your investment options were limited. A stock...
6th Nov 2025
I grew up in India in a time where if you had wealth, your investment options were limited. A stock market with sparse listings, accompanied by a lack of trust in financial assets, led investors to put their wealth into tangible assets. Real estate was the most common choice but...
FIRE v London
Jan ’26
January media seemed dominated by Greenland and Davos. As part of my efforts to avoid amplifying...
8th Feb 2026
January media seemed dominated by Greenland and Davos. As part of my efforts to avoid amplifying unstable narcissistic media-whore leaders, I haven’t got much to comment about. London has been pretty wet and miserable, as is January’s reputation. Meanwhile, markets were up quite...
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.
11th Jan 2024
Back in 1935, they seized the gold. But now, digital gold is back.
oftwominds-Charles...
Power and Impunity
Those acting with impunity are confident that their powers or god-like because they appear so in the...
2nd Feb 2026
Those acting with impunity are confident that their powers or god-like because they appear so in the human realm. But there are limits to everything in the human realm.
One of the first things we learned about the Internet is that anything sent via email could readily become...
The Diff
The Market for Contrarian Talent Doesn't Clear
Plus! Bootstrapping a Consumer-Facing Negawatt Market; Real Estate; Aggregators; Training Data;...
1st May 2026
Plus! Bootstrapping a Consumer-Facing Negawatt Market; Real Estate; Aggregators; Training Data; Supply Chains
Commoncog
The Capital Cycle
What a famous investing framework — part of the modern canon of value investing — tells us about the...
20th Sep 2023
What a famous investing framework — part of the modern canon of value investing — tells us about the expertise of capital in business.
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,...
28th Jan 2024
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...
FIRE v London
Nov ’25: Coastal Folly loan repaid
Trump dominated the headlines again. This time partly due to some very biased editing by the BBC of...
14th Dec 2025
Trump dominated the headlines again. This time partly due to some very biased editing by the BBC of a Panorama show about Trump before the US election. There was also the omnipresent UK Budget. Which has had more than enough coverage. I did a ‘damage assessment‘ at the time and...
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...
2nd Oct 2024
Why did the former Alameda Research CEO receive only two years imprisonment for her role in the FTX collapse?
The Diff
What Kills Cartels?
Plus! Diff Jobs; Strategic Investments; Media Form Factors; Fees; Critical Minerals; Brand Names
2nd Feb 2026
Plus! Diff Jobs; Strategic Investments; Media Form Factors; Fees; Critical Minerals; Brand Names
Bits about Money
A review of Number Go Up, on crypto shenanigans
A review of Zeke Faux's Number Go Up, with some bonus commentary on financial journalism and Tether...
29th Sep 2023
A review of Zeke Faux's Number Go Up, with some bonus commentary on financial journalism and Tether specifically.
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...
1st Jul 2023
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.
Commoncog
Business Reality Without Frameworks
A paradox: why it’s important to think about business without abstractions, even as we from what’s...
21st Oct 2024
A paradox: why it’s important to think about business without abstractions, even as we from what’s come before.
Bits about Money
A window into modern loan origination
A four party consortium can underwrite, fund, and execute a consumer loan in 15 minutes. Here's how.
10th Oct 2025
A four party consortium can underwrite, fund, and execute a consumer loan in 15 minutes. Here's how.
Commoncog
The Creation of a Skilled Tycoon
What it looks like when an Asian tycoon gets good at the game of business.
8th Dec 2025
What it looks like when an Asian tycoon gets good at the game of business.
Mazdak
Meta's Fake AI Profiles, the TikTok Ban, Telegram Updates, and Microsoft's $80 Billion AI Investment...
Meta's AI Experiment: What Went Wrong?
4th Jan 2025
Meta's AI Experiment: What Went Wrong?
Mazdak
OpenAI Launches GPT-5
On August 7, 2025, OpenAI officially released GPT-5, its latest flagship model, to the world.
7th Aug 2025
On August 7, 2025, OpenAI officially released GPT-5, its latest flagship model, to the world.
Musings on Markets
The Greed & Fear Tango: The Markets in April 2025!
I started the month on a trip to Latin America, just as the tariff story hit my newsfeed and the...
3rd May 2025
I started the month on a trip to Latin America, just as the tariff story hit my newsfeed and the market reacted with a sell off that knocked more than $9 trillion in market cap for global equities in the next two days. The month was off to a bad start, and tariffs remained the...
balajis.com
Too Fake to Tell
US government stats aren't reliable. More importantly, neither are US government bonds.
5th Jun 2023
US government stats aren't reliable. More importantly, neither are US government bonds.
Musings on Markets
Data Update 4 for 2026: The Global Perspective!
If you have read my first three data updates in 2026, I won’t blame you if you skip this one,...
2nd Feb 2026
If you have read my first three data updates in 2026, I won’t blame you if you skip this one, because you found them long and boring. I won't take issue with you either if you viewed them as too US-focused, because I did spend my second data update, looking at US equities, and my...
Citation Needed
Issue 61 – Soft war by the enemy
How will recent Supreme Court decisions affect the crypto world? Also, more absurdity from the...
5th Jul 2024
How will recent Supreme Court decisions affect the crypto world? Also, more absurdity from the crypto lobby, and some new regulatory actions.
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...
14th Mar 2023
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.
FIRE v London
August ’24: From triumph to tragedy
Looking back on the month, it was more eventful than Augusts are reputed to be. In the UK we are...
7th Sep 2024
Looking back on the month, it was more eventful than Augusts are reputed to be. In the UK we are getting used to our new government. And, in some cases, violently testing its boundaries with some summer rioting. We’ve seen some dreadful street behaviour, frequently of a racist /...
The Rational Walk
Warren Buffett’s Final Brushstrokes
Warren Buffett is retiring as CEO of Berkshire Hathaway but he may still make a few final...
5th May 2025
Warren Buffett is retiring as CEO of Berkshire Hathaway but he may still make a few final brushstrokes on his canvas as Chairman.
Citation Needed
Issue 71 – (Crypto) banks are not your friends
Celsius’ Alex Mashinsky pleads guilty to fraud, some Tornado Cash sanctions are overturned, and tech...
5th Dec 2024
Celsius’ Alex Mashinsky pleads guilty to fraud, some Tornado Cash sanctions are overturned, and tech billionaires complain about “debanking”.
FIRE v London
Feb ’25: The top comes off
What’s in the news? The Trump, is in the news. He gets more than enough coverage without me adding...
15th Mar 2025
What’s in the news? The Trump, is in the news. He gets more than enough coverage without me adding to it. From the point of view of what affects portfolios like mine, a few things happened What’s going on with me? My personal life was quite busy in February. I visited the UK city...
Seeking Wisdom
Make Every Day Count
It was a 2012 evening, and I was driving home from the office. I was worried about finishing a big...
1st Nov 2023
It was a 2012 evening, and I was driving home from the office. I was worried about finishing a big project at work on time. I’d made the journey from the office to my home so many times, my car almost seemed to know the way by itself. My hands were on the wheel, but…
oftwominds-Charles...
Disney World's New Theme Park: The White House and Congress
A "Pirates of the Caribbean" themed experience is planned, where the taxpayers are repeatedly robbed...
1st Apr 2026
A "Pirates of the Caribbean" themed experience is planned, where the taxpayers are repeatedly robbed by a motley crew of miscreants.
In a blockbuster deal, an obscure federal agency has granted Disney the rights to develop the White House and Congress as a new FantasyLand...
FIRE v London
Apr ’26: A record month, house purchase underway
It’s been a beautiful month. I’ve been about a bit, taking in Lincoln, the New Forest, and Oxford as...
4th May 2026
It’s been a beautiful month. I’ve been about a bit, taking in Lincoln, the New Forest, and Oxford as well as enjoying London town itself. The Iran conflict rumbles on, with the USA and Israel having effectively finished the military engagement. Markets have had a very strong...
Calculated Risk
2nd Look at Local Housing Markets in November
Today, in the Calculated Risk Real Estate Newsletter: 2nd Look at Local Housing Markets in...
11th Dec 2024
Today, in the Calculated Risk Real Estate Newsletter: 2nd Look at Local Housing Markets in November
A brief excerpt:
NOTE: The tables for active listings, new listings and closed sales all include a comparison to November 2019 for each local market (some 2019 data is not...
FIRE v London
Apr ’23: Wind and windfalls
April saw the season of long weekends begin here in the UK. Easter saw me inspired by the Ermine to...
6th May 2023
April saw the season of long weekends begin here in the UK. Easter saw me inspired by the Ermine to check out Dorset’s Chesil beach. We struck lucky with the weather and had a fine, distinctly non-London, time, over a very blustery Easter weekend. My walking shoes seem to have...
FIRE v London
June ’23: The hottest ever
June saw UK’s former PM Mr Johnson leave parliament. Good riddance. I suspect we haven’t seen or...
15th Jul 2023
June saw UK’s former PM Mr Johnson leave parliament. Good riddance. I suspect we haven’t seen or (definitely) read the last of him but having him out of Westminster is at least a bit safer than him inside. Closer to (my Coastal Folly) home, there has been a sad story in...
Calculated Risk
Real Estate Newsletter Articles this Week: New Home Sales Decrease to 657,000 Annual Rate in January
At the Calculated Risk Real Estate Newsletter this week:
Click on graph for larger image.
New Home...
1st Mar 2025
At the Calculated Risk Real Estate Newsletter this week:
Click on graph for larger image.
New Home Sales Decrease to 657,000 Annual Rate in January
Case-Shiller: National House Price Index Up 3.9% year-over-year in December
Inflation Adjusted House Prices 1.0% Below 2022...
Mazdak
Apple has a new CEO. Now comes the hard part.
September is here, and there’s actually quite a bit going on.
2 weeks ago
September is here, and there’s actually quite a bit going on.
Musings on Markets
Trillion Dollar Market Caps: Fairy Tale Pricing or Business Marvels?
Stock markets have always rewarded winners with large capitalizations, and with each new threshold,...
3rd Dec 2025
Stock markets have always rewarded winners with large capitalizations, and with each new threshold, the questions begin anew of whether animal spirits or fundamentals are driving the numbers. A few weeks ago, Nvidia seemed unstoppable as its market capitalization crested $5...
FIRE v London
Dec ’24 – 2024 in review
And we’re off, into 2025. Before we get too far, it’s time to take stock (pardon the pun) of 2024....
7th Jan 2025
And we’re off, into 2025. Before we get too far, it’s time to take stock (pardon the pun) of 2024. I’ll follow the 7 point approach I’ve used for the last few years, starting with the wider market context. Q1 How did markets do? December saw falls across most asset classes –...
Citation Needed
Issue 63 – RobConf 2024
Coinbase responds to campaign finance violation allegations, Trump panders to bitcoiners, and I chat...
7th Aug 2024
Coinbase responds to campaign finance violation allegations, Trump panders to bitcoiners, and I chat with Lyn Alden about sexism in bitcoin.
Mazdak
Markets Under Pressure: What Really Happens When the World Feels Unstable
When global tension rises, investors instinctively reach for the exit.
19th Jan 2026
When global tension rises, investors instinctively reach for the exit.
FIRE v London
June ’26: Is zero tax worth the hassle?
Monaco I was lucky enough to go to Monaco for the F1 in June. Something I feel quite strongly about...
19th Jul 2026
Monaco I was lucky enough to go to Monaco for the F1 in June. Something I feel quite strongly about and have written about before on this blog is how strong the monkey brain wiring is for us all to peg ourselves off the next rung up on the ladder. No matter how high up… Continue...
Moneyness
Your finances are being snooped on. Here's how
We all have a pretty good idea that our finances are being snooped on, but most of us aren't quite...
12th Jul 2024
We all have a pretty good idea that our finances are being snooped on, but most of us aren't quite able to articulate how. We know that we're being snooped on by two groups, corporations and the government. This post will focus on how the government surveils our transactions,...
Bits about Money
Requiem for a bank loan
A brief retrospective on an attractive product First Republic used to offer, and a wider discourse...
16th Jun 2023
A brief retrospective on an attractive product First Republic used to offer, and a wider discourse on the banking crisis.
Bits about Money
Fiction and Finance
Recommendations of works of fiction of interest to financial practitioners or enthusiasts.
7th Oct 2024
Recommendations of works of fiction of interest to financial practitioners or enthusiasts.
The Rational Walk
Greg Abel’s 2026 Letter to Shareholders
Greg Abel's first letter to Berkshire Hathaway shareholders emphasized the need to keep the...
2nd Mar 2026
Greg Abel's first letter to Berkshire Hathaway shareholders emphasized the need to keep the company's unique culture.
Citation Needed
Issue 50 – Bitcoin busts
Governments seize huge quantities of bitcoin, and a few people seem to be yearning for the days of...
2nd Feb 2024
Governments seize huge quantities of bitcoin, and a few people seem to be yearning for the days of peak crypto mania.
Musings on Markets
For the fun of it: An Open House for my Spring 2025 Classes
I am a teacher at heart, and every year, for more than two decades, I have invited people to join me...
11th Dec 2024
I am a teacher at heart, and every year, for more than two decades, I have invited people to join me in the classes that I teach at the Stern School of Business at New York University. Since I teach these classes only in the spring, and the first sessions for each of the classes...
Mazdak
How to Win Friends and Influence People by Dale Carnegie: A Summary and Key Takeaways
Dale Carnegie's How to Win Friends and Influence People is one of the most popular and influential...
13th Oct 2023
Dale Carnegie's How to Win Friends and Influence People is one of the most popular and influential self-help books ever written. First published in 1936, it has sold over 50 million copies and been translated into over 30 languages. The book is a practical guide to improving...
Musings on Markets
Country Risk: Drivers, Measures and Investment Implications - The 2026 Edition!
I am a creature of habit in my personal and professional life, and in the context of the content...
15th Jul 2026
I am a creature of habit in my personal and professional life, and in the context of the content that I post online, there is a ritual that I follow with my data updates. I start the year with my general data update online, and follow up with a series of posts where I examine the...
Citation Needed
Trump says he has “no idea” who he just pardoned
President Trump reacts to condemnations of his recent pardon of Binance founder Changpeng Zhao by...
3rd Nov 2025
President Trump reacts to condemnations of his recent pardon of Binance founder Changpeng Zhao by claiming he doesn’t know who he is.
The Diff
In Credit Underwriting, Better is Worse
Plus! IRR; Structure; Financial Epiphytes; Shale; Weakening the Cartel
2nd Jan 2025
Plus! IRR; Structure; Financial Epiphytes; Shale; Weakening the Cartel
Mazdak
LinkedIn Goes All In on Vertical Video
For years, platforms like TikTok, Instagram Reels, and YouTube Shorts have dominated the short-form...
4th Feb 2025
For years, platforms like TikTok, Instagram Reels, and YouTube Shorts have dominated the short-form video space.
Commoncog
Focus Is Saying No To Good Ideas
Several stories about one of the hardest maxims to put to practice in business.
18th Oct 2022
Several stories about one of the hardest maxims to put to practice in business.
Moneyness
How should money laundering laws apply to DeFi?
Everyone agrees that money laundering laws apply to DeFi. The question is: how to apply them?
DeFi,...
14th Sep 2024
Everyone agrees that money laundering laws apply to DeFi. The question is: how to apply them?
DeFi, or decentralized finance, is an emerging segment of the broader financial industry that delivers traditional financial services, say like trading or lending, using a novel type of...
oftwominds-Charles...
The Joys and Tragedies of Naivete
Our naivete is being exploited so ruthlessly and with such abandon that the golden age of the Big...
5th Aug 2026
Our naivete is being exploited so ruthlessly and with such abandon that the golden age of the Big Con is consuming itself.
Naivete is interesting because it's so easily confused with confidence, native optimism, youthful enthusiasm, and a host of delusions, including...
Commoncog
Activist Investing in Asian Conglomerates
How do Asian conglomerates play in capital markets, given pliable governments and weak regulators?...
3rd Mar 2025
How do Asian conglomerates play in capital markets, given pliable governments and weak regulators? We examine the career of one activist investor, to see what that tells us about the Asian tycoons we’ve been studying.
Mazdak
2024 Tax Strategies for Optimization and Savings
The new year dawns, not just with fresh resolutions, but also the opportunity to reassess and...
3rd Jan 2024
The new year dawns, not just with fresh resolutions, but also the opportunity to reassess and optimize your tax strategy. While taxes may not be the most exhilarating topic, savvy planning can significantly reduce your liability and boost your financial well-being. So, grab your...
Mazdak
OpenAI Launches GPT‑4.1: What You Need to Know About the New Family of AI Models
OpenAI has officially released the GPT‑4.1 family — and it’s more than just a minor upgrade.
14th Apr 2025
OpenAI has officially released the GPT‑4.1 family — and it’s more than just a minor upgrade.
Molson Hart's Blog -...
What Do Brontosauruses Know about Uncoordinated Conspiracies?
Brontosaurus skeleton at the Yale Peabody Museum of Natural History (allegedly)
Let’s pretend for a...
2nd Sep 2024
Brontosaurus skeleton at the Yale Peabody Museum of Natural History (allegedly)
Let’s pretend for a moment that brontosauruses are made up, despite them being accepted by the public and scientific community, having ample evidence for their existence, and appearing in museums all...
Moneyness
Stablecoins are non-fungible, bank deposits are fungible
On Twitter/X, I recently suggested that the network effects of the stablecoin market are massive....
14th Jan 2025
On Twitter/X, I recently suggested that the network effects of the stablecoin market are massive. Tether, which has four times more wallets than all other stablecoins, is locked-in as the stablecoin lingua franca, just like English has been locked-in as the global language of...
Mazdak
Trillions Flow into AI: The New Infrastructure Arms Race
🌐 Big Tech Bets Trillions on AI Infrastructure
26th Jun 2025
🌐 Big Tech Bets Trillions on AI Infrastructure
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...
2nd Oct 2024
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...
Commoncog
How Experts Sensemake
Two decades ago, the US military funded some research into how humans sensemake. This piece is about...
7th Apr 2026
Two decades ago, the US military funded some research into how humans sensemake. This piece is about that theory — the best theory of sensemaking that we have — why it matters for expertise, and how you can apply it to make sense of AI.
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....
5th Sep 2022
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...
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...
18th Sep 2023
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...
Bits about Money
Open Banking and payments competition
Why the banks really hate fintechs that allow businesses to learn your account number easily.
13th Aug 2025
Why the banks really hate fintechs that allow businesses to learn your account number easily.
Commoncog
How to Run Smart Experiments When You Just Don’t Know
How all good entrepreneurs run experiments at the earliest stages of a business, and how you can use...
20th Aug 2025
How all good entrepreneurs run experiments at the earliest stages of a business, and how you can use this approach for your own career.
Farnam Street
The Best Summary of Atlas Shrugged
A brief, no-fluff, summary of Atlas Shrugged by Ayn Rand. If you want to learn how capitalist...
9th Jul 2026
A brief, no-fluff, summary of Atlas Shrugged by Ayn Rand. If you want to learn how capitalist countries become socialist, this book will help you. Let’s dive in. Atlas Shrugged: The Simple Version The world depends on a relatively small number of people who build, invent, and...
Molson Hart's Blog -...
Why We Shouldn’t “Buy the Dip”
“Buying the dip” is buy stocks whenever there is a short-term decline in stock prices, under the...
29th May 2023
“Buying the dip” is buy stocks whenever there is a short-term decline in stock prices, under the assumption that asset prices will quickly revert, enabling you to make money.
This article explains why a government-driven culture of “buying the dip” can be damaging to you and...
Citation Needed
Meet Trump’s memecoin dinner guests
Trump's crypto-for-access dinner triggers broad ethics alarms, and 73% non-US attendance raises...
7th May 2025
Trump's crypto-for-access dinner triggers broad ethics alarms, and 73% non-US attendance raises fresh concerns over foreign influence
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...
7th Apr 2023
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...
balajis.com
The Network State Book
A new book on starting new countries. Available on Kindle and for free at thenetworkstate.com.
19th Mar 2022
A new book on starting new countries. Available on Kindle and for free at thenetworkstate.com.
Commoncog
Setting the Business Expertise Series Free
Removing the paywall on The Business Expertise Series, which covers the work of Lia DiBello and her...
6th Jun 2023
Removing the paywall on The Business Expertise Series, which covers the work of Lia DiBello and her collaborators.
Commoncog
Letter to a Young Person Worrying About AI
It is a common misperception that you must be able to predict the future to do well. But it’s...
20th Oct 2025
It is a common misperception that you must be able to predict the future to do well. But it’s possible to act without prediction, even in the face of AI. This is how.
Bits about Money
Two Americas, one bank branch, and $50,000 cash
Ever wondered what happens if you try to take $50,000 in cash out of a bank? Answer: a year of...
5th Mar 2025
Ever wondered what happens if you try to take $50,000 in cash out of a bank? Answer: a year of investigative journalism.
oftwominds-Charles...
Pretense, Staging, Expediency: the "Solutions" That Implode the Whole Shebang
Slapdash quick fixes and policies share one characteristic: they eventually implode the whole...
1st Jan 2026
Slapdash quick fixes and policies share one characteristic: they eventually implode the whole shebang.
We all know how this works: the business is failing and the divorce papers have been filed, but the optics are ugly, so the couple waltzes in, all smiles and lovey-dovey,...
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...
12th Aug 2024
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...
Farnam Street
Why Write
Why write an essay when you can type a few words and have AI generate one for you? Why write an...
9th Mar 2023
Why write an essay when you can type a few words and have AI generate one for you? Why write an email when AI can auto-respond for you with all the typical pleasantries and talking-points? While AI doing these things for you is likely to happen, it’s not necessarily a good thing....
Bits about Money
The Long Shadow of Checks
A lot of more modern financial infrastructure follows the paths blazed by checks, at least in the...
13th Dec 2023
A lot of more modern financial infrastructure follows the paths blazed by checks, at least in the U.S.
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....
20th Jan 2023
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...
FIRE v London
Mar ’24: A towering influence
I’ve enjoyed March. I managed to enjoy a few days’ skiing, despite less snow than any of us would...
1st Apr 2024
I’ve enjoyed March. I managed to enjoy a few days’ skiing, despite less snow than any of us would like, in the Austrian alps. Back at home, the sun has been getting stronger, and the evenings have been getting lighter – and now with Summer Time we will enjoy lovely late evenings...
Commoncog
Lee Walker and the Dell Growth Plateau
How Lee Walker overcame Dell's biggest growth plateau in 1986. A story about capital, imagination,...
16th Aug 2023
How Lee Walker overcame Dell's biggest growth plateau in 1986. A story about capital, imagination, and creative deal-making.
balajis.com
Global Crypto Regulation: Who’s Hot and Who’s Not?
Global crypto regulation is confusing. So I surveyed the information available and created a...
25th May 2022
Global crypto regulation is confusing. So I surveyed the information available and created a heatmap.
Seeking Wisdom
It’s a treasure trove of health insights!
Use Insulin wisely Life on Earth started simple. For nearly 2 billion years, tiny single-celled...
21st Oct 2024
Use Insulin wisely Life on Earth started simple. For nearly 2 billion years, tiny single-celled organisms dominated. Then, a lucky accident changed everything. One cell swallowed another, and the swallowed cell became mitochondria, the powerhouse of complex cells. This chance...
balajis.com
The Fiat Crisis
This is not a financial crisis. It’s a fiat crisis.
2nd May 2023
This is not a financial crisis. It’s a fiat crisis.
Commoncog
One Definition of Wisdom
Charlie Munger’s biggest business mistake, and what it tells us about wisdom.
14th Feb 2024
Charlie Munger’s biggest business mistake, and what it tells us about wisdom.
oftwominds-Charles...
The Inevitable Drift Down from "Can't Lose" Owning Stocks to "Can't Win"
Even if an AI program advises selling everything and walking away from the market for five years,...
3rd Nov 2025
Even if an AI program advises selling everything and walking away from the market for five years, how many of us would take this advice?
Only those who experienced the heady euphoria of the late 1990s dot-com bubble in tech stocks know what the shift from "can't lose"...
Seeking Wisdom
The Edge
Thinking with Machines was such a joyful read that I finished it in a single sitting during a...
8th Feb 2026
Thinking with Machines was such a joyful read that I finished it in a single sitting during a seven-hour flight. Do read it if you want to understand how AI will change the way we live and work. Vasant has lived through every major shift in AI, from expert systems to today’s push...
FIRE v London
Sep ’25: Gains continue, and I trim
September was a busy month. In the middle of it we saw a disruptive tube strike. I don’t use the...
11th Oct 2025
September was a busy month. In the middle of it we saw a disruptive tube strike. I don’t use the tube that much so didn’t expect it to affect me much but two important meetings were postponed, one of which still hasn’t happened, so that event has stayed in my memory. Thank...
FIRE v London
July ’25: New high watermark
There wasn’t a huge amount to report from July. Politically/economically I fear the most important...
16th Aug 2025
There wasn’t a huge amount to report from July. Politically/economically I fear the most important event in the UK was the Labour government’s failure to enact its intended welfare reforms. This leaves the government a) unable to control spending b) unable to nudge the economy...
Musings on Markets
Anatomy of a Market Crisis: Tariffs, Markets and the Economy!
I was boarding a plane for a trip to Latin America late in the evening last Wednesday (April 2), and...
7th Apr 2025
I was boarding a plane for a trip to Latin America late in the evening last Wednesday (April 2), and as is my practice, I was checking the score on the Yankee game, when I read the tariff news announcement. Coming after a few days where the market seemed to have found its...
balajis.com
Decentralizing Education with Synthesis
I'm co-leading a round in Synthesis, a startup scaling the custom school built for Elon Musk’s kids.
21st Apr 2022
I'm co-leading a round in Synthesis, a startup scaling the custom school built for Elon Musk’s kids.
Citation Needed
Trump Jr.-advised prediction markets invite bets on president’s demise
President Trump’s deregulatory agenda emboldened prediction markets to push boundaries around...
2nd Sep 2025
President Trump’s deregulatory agenda emboldened prediction markets to push boundaries around permitted event contracts. Now sites advised by his son are allowing bets on his death.
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...
12th Dec 2022
Two case studies of real world competitive advantage, followed by a question: was this a moat or not?
Citation Needed
Citation Needed has a new home
Citation Needed is no longer hosted on Substack. Welcome to my antifascist bar.
5th Jan 2024
Citation Needed is no longer hosted on Substack. Welcome to my antifascist bar.
Citation Needed
Issue 69 – Nice
Coinbase threatens me that continuing to report on their activities would be “.... unwise”. Also,...
2nd Nov 2024
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.
The Rational Walk
Interesting Reading – November 7, 2016
In this series, we suggest worthwhile reading material on a variety of topics, not all of which are...
19th Jun 2026
In this series, we suggest worthwhile reading material on a variety of topics, not all of which are directly related to investing.
Molson Hart's Blog -...
Is the wholesale marketplace Faire right for your e-commerce business or brand?
My company has sold $2.6 million on Faire over the past 4.5 years.
As selling on Amazon has become...
6th Feb 2026
My company has sold $2.6 million on Faire over the past 4.5 years.
As selling on Amazon has become tougher and tougher, we are thankful for the growing sales Faire has brought us.
That said, it's a difficult, counterintuitive marketplace to operate on, and one that is getting,...
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...
7th Jun 2024
Are US legislators warming to crypto? The SEC approves Ethereum ETPs, and a crypto bill gets through the House.
Mazdak
Google: Monopolized?
Is Google too big? For years, the tech giant has dominated the search market, facing little...
1st Dec 2024
Is Google too big? For years, the tech giant has dominated the search market, facing little competition.
Moneyness
Setelinleikkaus: When Finns snipped their cash in half to curb inflation
On the last day of 1945, with World War II finally behind it, Finland's government announced a new...
8th Nov 2024
On the last day of 1945, with World War II finally behind it, Finland's government announced a new and very strange policy.
All Finns were required to take out a pair of scissors and snip their banknotes in half. This was known in Finland as setelinleikkaus, or banknote cutting....
balajis.com
Network School 2025
Network School reopens March 1 with double the capacity. Apply now at ns.com.
2nd Feb 2025
Network School reopens March 1 with double the capacity. Apply now at ns.com.
Commoncog
Danny Meyer’s Business Expertise
Let's break down Danny Meyer's business expertise as an exercise in biography reading.
7th Aug 2024
Let's break down Danny Meyer's business expertise as an exercise in biography reading.
Musings on Markets
Country Risk: My 2024 Data Update
After the 2008 market crisis, I resolved that I would be far more organized in my assessments and...
24th Jul 2024
After the 2008 market crisis, I resolved that I would be far more organized in my assessments and updating of equity risk premiums, in the United States and abroad, as I looked at the damage that can be inflicted on intrinsic value by significant shifts in risk premiums, i.e., my...
oftwominds-Charles...
Look Out Below
As I often note, making Plans B and C is free.
The stock market is always looking past "bad...
7th Oct 2025
As I often note, making Plans B and C is free.
The stock market is always looking past "bad news" to front-run "good news."
Once it became clear that the Titanic was indeed going to sink, the stock market would rally on the prospect of sharp growth in lifeboat shares. In...
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...
6th Mar 2024
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...
Molson Hart's Blog -...
Heureka
A “heureka” is a surprisingly powerful yet simple solution to a complex optimization problem, which...
20th Sep 2025
A “heureka” is a surprisingly powerful yet simple solution to a complex optimization problem, which is theoretically inferior to more complicated solutions, but is, in practice, optimal.
Example:
“I’m a 22 year old Phi Beta Kappa alumnus of University of Iowa and I have this idea...
Mazdak
⚖️ Copyright Law and Generative AI
Generative AI is revolutionizing the way we create, but it's also raising complex legal questions...
1st Dec 2023
Generative AI is revolutionizing the way we create, but it's also raising complex legal questions about copyright law. 🤯 What's the Issue? 🤔 Copyright law protects original works created by humans. But what about AI-generated content? Is it protected by copyright? 🤔
Musings on Markets
Data Update 1 for 2025: The Draw (and Danger) of Data
For the last four decades, I have spent the first week of each year collecting and analyzing data on...
10th Jan 2025
For the last four decades, I have spent the first week of each year collecting and analyzing data on publicly traded companies and sharing what I find with anyone who is interested. It is the end of the first full week in 2025, and my data update for the year is now up and...
Commoncog
How to Handle Disruptive Change
As a business, how do you deal with disruption — technological or otherwise? Some patterns from a...
2 days ago
As a business, how do you deal with disruption — technological or otherwise? Some patterns from a collection of case studies.
Commoncog
The Heart of Innovation: Why Most Startups Fail
A theory of demand (and product market fit) that explains it all, and does NOT require ‘pain’ to do...
12th May 2025
A theory of demand (and product market fit) that explains it all, and does NOT require ‘pain’ to do it.
FIRE v London
Feb ’26: Before Iran
So, for the avoidance of doubt, the end of the month is the last trading day of the month. Which for...
16th Mar 2026
So, for the avoidance of doubt, the end of the month is the last trading day of the month. Which for February, meant Friday February 27th. The fact that the Israelis and the Americans invaded Iran on February 28th is going to impact March, not February. Which is just as well...
FIRE v London
Dec ’23 – 2023 in review
It’s the start of a calendar year. Let’s take a look at what 2023 did to me financially. I’m...
2nd Jan 2024
It’s the start of a calendar year. Let’s take a look at what 2023 did to me financially. I’m following the same structure I’ve used for the last few years (2022, 2021, and 2020). Overall, 2023 was a good year on almost all measures – thanks in particular to Q4 which saw the US...
oftwominds-Charles...
The War
That I don't have an analysis or insight to offer doesn't mean I don't care. It simply means there...
1st Mar 2026
That I don't have an analysis or insight to offer doesn't mean I don't care. It simply means there are limits on what we know, and what we do know suggests circumspection.
War seems to demand some response--opinion, analysis, insight--lest it seem that we're uncaring or...
Mazdak
OpenAI is not becoming a for-profit company after all.
In a significant reversal, OpenAI announced on May 5, 2025, that it will remain under the control of...
5th May 2025
In a significant reversal, OpenAI announced on May 5, 2025, that it will remain under the control of its nonprofit entity, abandoning earlier plans to restructure as a for-profit company.
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....
14th Jun 2024
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...
Citation Needed
Issue 45 – I'm the director now
Rising bitcoin prices bring echoes of the crypto mania from years past, and an ambitious hacker...
5th Dec 2023
Rising bitcoin prices bring echoes of the crypto mania from years past, and an ambitious hacker decides to manifest a new job for themselves.
Bits about Money
The business of check cashing
Check cashing, as a business, is a poorly understood "alternative" financial service.
30th Jan 2024
Check cashing, as a business, is a poorly understood "alternative" financial service.
Musings on Markets
Just do it! Brand Name Lessons from Nike'sTroubles!
I have spent the last week reading "Shoe Dog", Phil Knight's memoir of how a runner on the Oregon...
1st Oct 2024
I have spent the last week reading "Shoe Dog", Phil Knight's memoir of how a runner on the Oregon University track team built one of the great shoe companies in the world, in Nike. In addition to its entertainment value, and it is a fun book to read, I read it for two...
oftwominds-Charles...
Risk and AI: It's Tricky
The possibility that AI will end up unleashing waves of 'Anti-Progress'--malicious uses,...
1st Jul 2026
The possibility that AI will end up unleashing waves of 'Anti-Progress'--malicious uses, untrustworthy output and uncontrollable floods of slop--also doesn't occur to those confined in the current belief construct.
A funny thing happens on the way to understanding risk: we...
FIRE v London
Oct ’23: Terror erupts from Gaza
It’s the Middle East again. I don’t have any perspective on it, sadly, other than that I hear of...
5th Nov 2023
It’s the Middle East again. I don’t have any perspective on it, sadly, other than that I hear of some nasty low level youth violence/intimidation/vandalism in North London in Jewish neighbourhoods by pro-Palestinian, dare-I-say-it pro-Hamas hotheads. But in most of London life...
FIRE v London
August ’25: Warm memories
While the global soap opera of the Gaza crisis, Trump/Putin PR, Ukraine misery etc continued, I have...
11th Sep 2025
While the global soap opera of the Gaza crisis, Trump/Putin PR, Ukraine misery etc continued, I have created some warm memories in August. I spent a bit of time in the New Forest, at both ends, and the middle. Which included a trip to Mudeford, site of the UK’s most expensive...
Bits about Money
Guys what is wrong with ACATS
Ever transferred assets between brokerages? Impressive, terrifying machinations happened in the...
24th May 2024
Ever transferred assets between brokerages? Impressive, terrifying machinations happened in the background. No cats were harmed.
The Diff
The One-Big-Side-Bet Model of Wealth Creation
Plus! Diff Jobs; Building Japan's Financial Ecosystem; The New Balance of Trade; Where Return on...
2nd Dec 2024
Plus! Diff Jobs; Building Japan's Financial Ecosystem; The New Balance of Trade; Where Return on Investment Goes; Broken ETFs; Swipe Fees and Accounting
FIRE v London
Mar ’25: Anticipating tariffs
What’s in the news? Talking about the news in March, give nwhat’s been happing on the tariff front...
11th Apr 2025
What’s in the news? Talking about the news in March, give nwhat’s been happing on the tariff front over the last few weeks, seems a bit pointless. We entered March with a lot of drama about Ukraine, and some notable ‘ceasefire’ activity on the diplomatic front. We finished March...
Musings on Markets
Sovereign Ratings, Default Risk and Markets: The Moody's Downgrade Aftermath!
I was on a family vacation in August 2011 when I received an email from a journalist asking me what...
2nd Jun 2025
I was on a family vacation in August 2011 when I received an email from a journalist asking me what I thought about the S&P ratings downgrade for the US. Since I stay blissfully unaware of most news stories and things related to markets when I am on the beach, I had to look up...
Musings on Markets
Data Update 1 for 2026: The Push and Pull of Data!
In my musings on valuation, I have long described myself as more of a number cruncher than a...
9th Jan 2026
In my musings on valuation, I have long described myself as more of a number cruncher than a storyteller, but it is because I love numbers for their own sake, rather than a fondness for abstract mathematics. It is that love for numbers that has led me at the beginning of each...
Commoncog
Operational Excellence is the Pursuit of ‘Knowledge’
It turns out that operational excellence results from the pursuit of a certain form of knowledge....
16th Mar 2023
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.
Molson Hart's Blog -...
Amazon’s Pricing Policies Promote Inflation
The state of California has sued Amazon in what may be the biggest antitrust case for 25 years, when...
30th Apr 2023
The state of California has sued Amazon in what may be the biggest antitrust case for 25 years, when 20 states joined the US Department of Justice to sue Microsoft. These cases revolve around whether consumers are harmed by the company’s actions. The case against Amazon focuses...
Musings on Markets
AI Scenarios: From Doomsday Destruction to Do-Nothing Bots!
When Chat GPT made its debut on November 30, 2022, it unleashed the hype of AI, and in the three...
4th Mar 2026
When Chat GPT made its debut on November 30, 2022, it unleashed the hype of AI, and in the three years since, AI has taken on an outsized role not just in markets, but also in our lives. For much of the time, the AI story has been told by its advocates and its salespeople, and...
Bits about Money
Seeing like a Bank
The structural reasons why banks sometimes behave bizarrely in interactions with customers, like...
7th Nov 2023
The structural reasons why banks sometimes behave bizarrely in interactions with customers, like forgetting things which customers tell them.
Molson Hart's Blog -...
Older Articles I’ve Written
In reverse chronological order:
Starting a Physical Product Company? You’re Gonna Need a Lawyer...
13th Dec 2020
In reverse chronological order:
Starting a Physical Product Company? You’re Gonna Need a Lawyer (October 18, 2020)
The Right to a Nonconsensus Opinion (June 9, 2020)
Never Invest in Anything Made of Metal (May 2, 2020)
Simple 3 Step Strategy to Stop the Coronavirus in the...
oftwominds-Charles...
25 Years of Higher Interest Rates Ahead?
Interest rates are linked to inflation, but they're also linked to risk.
As a result of...
2nd May 2025
Interest rates are linked to inflation, but they're also linked to risk.
As a result of recency bias, where we assume the recent past is a permanent state of affairs, many believe near-zero interest rates are "normal." They aren't. As the chart of 10-year US Treasury...
FIRE v London
Aug ’23: …
A belated write-up of the month of August. Thinking back a month, two stories pop out for me. One...
18th Sep 2023
A belated write-up of the month of August. Thinking back a month, two stories pop out for me. One was the death of Russian mutineer Yevgeny Prigozhin – a larger-than-life modern day warlord, responsible for the ‘little green men’ at the start of the Russian/Ukraine war in 2014,...
The Diff
What do LLMs Want?
Plus! Governance; Implementation Risk; Jailbreaking; In-Kind Deals; Revalued Inputs
1st Dec 2025
Plus! Governance; Implementation Risk; Jailbreaking; In-Kind Deals; Revalued Inputs
The Diff
Longreads + Open Thread
Funds, Slop, Schools, Lookism, Automation, Bots, Efficiency, Magnitogorsk
1st Aug 2026
Funds, Slop, Schools, Lookism, Automation, Bots, Efficiency, Magnitogorsk
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...
29th Feb 2024
Ever wondered about what happens when banks are closed or why some apps have operating hours? It's fascinating.
FIRE v London
May ’23: Magic megatech
May has been election month. In the UK, some (but not all – and not London) local councils had...
4th Jun 2023
May has been election month. In the UK, some (but not all – and not London) local councils had elections. The Tories took a drubbing, as expected. And overseas the notable election seemed to be Turkey, where autocratic Erdogan won (however fairly) another five year term – taking...
Molson Hart's Blog -...
Brainwashing for Confidence
My mom brainwashed me to be confident.
She told me over and over that I was great and destined for...
15th Apr 2026
My mom brainwashed me to be confident.
She told me over and over that I was great and destined for great things.
And it worked.
To this day, when I lose or make a mistake, I get mad, but I always wind up where my mother left me:
“You’re great. All you need is more practice.”
And...
Commoncog
The Amazon Weekly Business Review
Everything you need to know about the Amazon Weekly Business Review: how it works, why it works, and...
2nd Jul 2024
Everything you need to know about the Amazon Weekly Business Review: how it works, why it works, and how it helps Amazon win.
Commoncog
Putting the Jobs to be Done Interview to Practice
Things we wished someone told us, before we put the JTBD interview to practice.
9th Jul 2025
Things we wished someone told us, before we put the JTBD interview to practice.
balajis.com
AI is polytheistic, not monotheistic
And ten more thoughts on AI.
3rd Aug 2025
And ten more thoughts on AI.
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...
11th May 2024
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...
balajis.com
California Is Not A Democracy
It's a one-party state. They hold elections, but the Party always wins.
10th Jun 2024
It's a one-party state. They hold elections, but the Party always wins.
Mazdak
Capital Gains Tax Hike: Sell Now or Hold On? A Canadian Investor's Guide
Canada's recent federal budget has sent ripples through the investment and real estate communities....
24th May 2024
Canada's recent federal budget has sent ripples through the investment and real estate communities. A key change: a looming increase in capital gains tax on sizeable transactions. This has many wondering – should I sell assets before June 25th, 2024, to avoid the taxman's bite?...
Molson Hart's Blog -...
The Trial: How I lost $1 million dollars and 7 years in a lawsuit over Brain Flakes
I thought I was good.
Until I met Sol.
Solomon Rosengarten is a lawyer from Brooklyn. He has an AOL...
25th Nov 2025
I thought I was good.
Until I met Sol.
Solomon Rosengarten is a lawyer from Brooklyn. He has an AOL email address. He is not great with the mute button on his phone. He sometimes comes across as incompetent.
But, he is the best damned lawyer I have ever known.
Sol is a killer....
Musings on Markets
The Corporate Life Cycle: Managing, Valuation and Investing Implications!
As I reveal my ignorance about TikTok trends, social media celebrities and Gen Z slang, my children...
20th Aug 2024
As I reveal my ignorance about TikTok trends, social media celebrities and Gen Z slang, my children are quick to point out my age, and I accept that reality, for the most part. I understand that I am too old to exercise without stretching first or eat a heaping plate of cheese...
FIRE v London
Nov ’23 revalues the future
In the news It has been quite a busy month out there. The Israel/Gaza crisis continues. Public...
5th Dec 2023
In the news It has been quite a busy month out there. The Israel/Gaza crisis continues. Public opinion is shifting against the Israel government here, even in North London – which would normally be one of the most sympathetic neighbourhoods outside Tel Aviv. The Ukrainians are...
Mazdak
Claude vs. ChatGPT: A Comprehensive Comparison
In today’s rapidly evolving AI landscape, two names stand out in the realm of conversational...
4th Mar 2025
In today’s rapidly evolving AI landscape, two names stand out in the realm of conversational assistants—Anthropic’s Claude and OpenAI’s ChatGPT. Although both are built on large language models, they diverge sharply in design philosophy, technical implementation, safety...
oftwominds-Charles...
If We Set Aside Ideology, Is There Anything We Can Agree On?
Just the experiment of setting aside ideological certainties for a moment would be instructive. ...
3rd Mar 2025
Just the experiment of setting aside ideological certainties for a moment would be instructive.
Humans are hard-wired to prefer simplicity over complexity, and this is the foundation of ideology, which like mythology takes a complex world and radically simplifies it to an...
Musings on Markets
The Situational Awareness Blow-up: The Collateral Damage from Investing Conviction!
Earlier this year, I was asked what I thought about Leopold Aschenbrenner and I admitted that I knew...
11th Aug 2026
Earlier this year, I was asked what I thought about Leopold Aschenbrenner and I admitted that I knew little about him other than what I had read about him, more in social media, than in the press - that he was a 25-year-old wunderkind who had started at OpenAI but had left to...
Bits about Money
Fraud Investigation is Believing Your Lying Eyes
The financial industry has paid tens of billions of dollars in tuition on fraud detection. Here are...
6th Feb 2026
The financial industry has paid tens of billions of dollars in tuition on fraud detection. Here are some observations for investigators with badges, press cards, or GoPros.
Commoncog
What’s an Operational Definition Anyway?
Two principles on collecting data, from the field of Statistical Process Control. As with most...
3rd Oct 2023
Two principles on collecting data, from the field of Statistical Process Control. As with most principles in SPC, this is both simpler and more important than you might think.
The Rational Walk
Minimal Impact to Insurers from Icelandic Volcano Eruption
At least for now, most air travel restrictions caused by the eruption of the Eyjafjallajökull...
11th Aug 2026
At least for now, most air travel restrictions caused by the eruption of the Eyjafjallajökull volcano have been lifted throughout Europe.
The Diff
The Surprising Distribution Effects of "Buy-Borrow-Die"
Plus! Full-Stack; Scarcity; Sum-of-the-Parts; Nice Problems to Have; Distribution
2nd Jan 2026
Plus! Full-Stack; Scarcity; Sum-of-the-Parts; Nice Problems to Have; Distribution
balajis.com
Why did Stu Woo of the Wall Street Journal Follow Me to Singapore?
Thirty five million people change countries every year. I'm one of them, and so is Stu Woo.
28th Jul 2026
Thirty five million people change countries every year. I'm one of them, and so is Stu Woo.
Molson Hart's Blog -...
THE SLOW, EXCRUCIATING, DISASTEROUS DUMBING DOWN OF AMERICA
Austin is a more pleasant place to live than Dallas because people are smarter on average.
This does...
24th Sep 2023
Austin is a more pleasant place to live than Dallas because people are smarter on average.
This does not mean there are not smart people in Dallas. There are. What it does mean is the typical Austinite is just a little sharper.
This makes for more pleasant conversations. It’s...
The Rational Walk
Greg Abel’s Unique Challenge
Greg Abel takes over as Chief Executive Officer of Berkshire Hathaway on January 1, 2026, a job that...
31st Dec 2025
Greg Abel takes over as Chief Executive Officer of Berkshire Hathaway on January 1, 2026, a job that will involve at least three major challenges.
The Rational Walk
Primary Sources
Consulting primary sources represents table stakes for intelligent investors and responsible...
11th Feb 2025
Consulting primary sources represents table stakes for intelligent investors and responsible citizens.
Commoncog
A Few Notes on Moats
Some non-obvious, even surprising things about building competitive moats, including when they might...
11th Feb 2026
Some non-obvious, even surprising things about building competitive moats, including when they might not be necessary.
Seeking Wisdom
Hello LLMs!
When you are having trouble getting your thinking straight, consider an extreme or simple case. This...
4th Oct 2023
When you are having trouble getting your thinking straight, consider an extreme or simple case. This will often give you the insight needed to move forward. I nodded in agreement when I read the above lines from the book Maxims for Thinking Analytically. ChatGPT took the world by...
Commoncog
The Gambling King
The start of the Asian Conglomerates Series: we open with a look at the life of Stanley Ho, gambling...
2nd Feb 2025
The start of the Asian Conglomerates Series: we open with a look at the life of Stanley Ho, gambling king of Macau.
The Rational Walk
A Quarter Century of Investing
Lessons learned from twenty-five years of enterprising investing
6th Jan 2025
Lessons learned from twenty-five years of enterprising investing
FIRE v London
My exits – a post mortem
Readers will know that I dabble with active investing – I pick stocks. Lord, make me passive, but...
4th Feb 2025
Readers will know that I dabble with active investing – I pick stocks. Lord, make me passive, but not yet Rather like The Investor at Monevator, I firmly believe in the merits of low cost index tracking as an investment strategy, but I also enjoy the thrills / intellectual...
Commoncog
How to Use Power
How do you gain power, use power, and identify those who have power, so that you may protect...
2nd Dec 2024
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.
FIRE v London
Nov ’24: 3x
London life I’ve been keeping busy as winter in London sets in. The Christmas lights are all out and...
7th Dec 2024
London life I’ve been keeping busy as winter in London sets in. The Christmas lights are all out and looking resplendent, and both the West End and the City are feeling pretty buzzy. For all the general ‘UK stuck in the weeds’ economic commentary, we feel a long way from any talk...
Molson Hart's Blog -...
What happens if the US loses reserve currency status?
A reserve currency is the currency that people all over the world prefer to store their savings...
29th Apr 2024
A reserve currency is the currency that people all over the world prefer to store their savings in.
Today that currency is the US dollar.
From the Middle East, to Asia, to South America — Whether it's a family that needs to keep some money around just in case or a country, most...
Seeking Wisdom
A Few Books and Resources I’ve Found Useful Over the Years
If someone had told me three and a half years ago that there would be something called ChatGPT that...
31st Dec 2025
If someone had told me three and a half years ago that there would be something called ChatGPT that could answer questions across almost any discipline, I would have called them a lunatic. And yet, here we are. That’s exactly what ChatGPT does today. I can ask it coding...
balajis.com
The Network State Conference
Come to Singapore on September 22, 2024 to build technodemocracy.
15th Oct 2023
Come to Singapore on September 22, 2024 to build technodemocracy.
Commoncog
Mental Strength in Judo; Mental Strength in Life
Results of a four month accelerated expertise experiment in Judo. Or: "I expected to learn about...
3rd May 2023
Results of a four month accelerated expertise experiment in Judo. Or: "I expected to learn about deliberate practice but instead learnt a ton about my mental shortcomings."
Calculated Risk
Economic Tailwinds and Headwinds
After the election in November 2016, I pointed out that the economy was solid, that there were...
1st Apr 2025
After the election in November 2016, I pointed out that the economy was solid, that there were significant economic tailwinds and that it was unlikely that Mr. Trump would do everything he said during the campaign. See: The Future is still Bright! and The Cupboard is Full.
I...
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...
8th Jul 2023
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
Renovatio monetae
This silver pfennig from the Archbishopric of Magdeburg (1152-1192) was subject to a policy of...
8th May 2024
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...
oftwominds-Charles...
The Global Trade Game: Jokers Are Wild
There may be no winners of the game of Global Domination (tm), and that is likely the best outcome....
2nd Apr 2025
There may be no winners of the game of Global Domination (tm), and that is likely the best outcome.
Okay, players: jokers are wild, but with a twist: the entire deck is jokers. Since everyone at the table will have five Aces, nobody wins.
Welcome to the Trade War Poker...
Citation Needed
We can have a different web
Many yearn for the “good old days” of the web. We could have those good old days back — or something...
1st May 2024
Many yearn for the “good old days” of the web. We could have those good old days back — or something even better — and if anything, it would be easier now than it ever was.
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...
5th Aug 2024
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...
Citation Needed
Issue 76 – Tripartisan legislation
Crypto exchanges face legal troubles, and Trump’s crypto empire grows as regulations are slashed and...
6th Feb 2025
Crypto exchanges face legal troubles, and Trump’s crypto empire grows as regulations are slashed and enforcement is sidelined.
FIRE v London
July ’26: An IPO, and France
It feels as if the World Cup was ages ago, already. Yet only a few weeks ago, I was gripped. And for...
9th Aug 2026
It feels as if the World Cup was ages ago, already. Yet only a few weeks ago, I was gripped. And for once I thought England had a world-class side…. but hey ho, football hasn’t come home for another four years. I had a road trip through France in July, which was lovely. I am…...
Molson Hart's Blog -...
Investment Advice Which Stands the Test of Time
There is investment advice in the book of Jewish religious law (the Talmud).
It advises that you...
5th May 2024
There is investment advice in the book of Jewish religious law (the Talmud).
It advises that you keep 1/3rd of your wealth in business, 1/3rd in land, and 1/3rd in gold.
It's genius.
Why?
First, it's simple.
Second, business, and, to a lesser extent, land, (but not gold, usually)...
Citation Needed
Issue 54 – Cases continue
Crypto-related litigation is in full swing, as the Terra civil fraud trial has kicked off and two...
2nd Apr 2024
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.
Citation Needed
Issue 94 – Backdoor deals
Trump is still corrupt, a core developer warns bitcoin won’t survive an upcoming code change, and...
8th Oct 2025
Trump is still corrupt, a core developer warns bitcoin won’t survive an upcoming code change, and crypto lenders are ratcheting up leverage like it’s 2022.
FIRE v London
Sep ’24: Ominous politics, juicy economics
September was fairly action-packed. I enjoyed getting out on a friend’s boat around Poole and the...
13th Oct 2024
September was fairly action-packed. I enjoyed getting out on a friend’s boat around Poole and the Solent. I made it to the Labour party conference in Liverpool, which was fascinating albeit wet. I am apparently firmly in the tax-raising sights of the Government, but I wasn’t the...
FIRE v London
May 2025: market springtime
I’ve had quite a busy May. It’s been a lovely month, featuring a wedding in the country, a trip to...
8th Jun 2025
I’ve had quite a busy May. It’s been a lovely month, featuring a wedding in the country, a trip to the Isle of Wight, my first visit to a dairy farm in 40+ years, a lovely trip to the Cotswolds, and more. If you can identify any of the locations above feel free to shout… Continue...
Commoncog
Business Ecosystem Change Takes Time
The birth of Sony, and the possibility that private corporations and private individuals can change...
11th Jun 2024
The birth of Sony, and the possibility that private corporations and private individuals can change broader business ecosystems.
FIRE v London
Mar ’26: Iran clobbers markets
In March the rain stopped. We started March with North London already having seen 2x its usual...
12th Apr 2026
In March the rain stopped. We started March with North London already having seen 2x its usual rainfall for this point in the year. And thankfully in the middle of March, it stopped. As I write this I have actually needed to start watering the garden, something that felt a very...
Seeking Wisdom
What I learned from Prof. Sanjay Bakshi’s Behavioral Economics Course at FLAME University
I had the privilege to attend Prof. Sanjay Bakshi’s Behavioral Economics course at FLAME University....
7th Aug 2022
I had the privilege to attend Prof. Sanjay Bakshi’s Behavioral Economics course at FLAME University. Being his student since 2011, I realized my dream by sitting in his class for 3.5 days. Prof. Bakshi taught us around 20 different models from Charlie Munger’s Psychology of Human...
Mazdak
Canada's Housing Crisis: Is There a Way Out?
Canada's housing market has become a national concern. Soaring prices have pushed homeownership out...
2nd Apr 2024
Canada's housing market has become a national concern. Soaring prices have pushed homeownership out of reach for many, and even renters struggle to find affordable options. The pandemic exacerbated this pre-existing crisis, highlighting the urgent need for solutions. This article...
FIRE v London
June 2025: Show times
I really want to stop mentioning Trump. Even when he sends troops into LA, one of my favourite...
11th Jul 2025
I really want to stop mentioning Trump. Even when he sends troops into LA, one of my favourite cities. But when he launches 30kt bombs on Iran, it is very hard to avoid talking about him. In the context of what Trump’s been up to, the welfare reform screw-ups by the Labour...
oftwominds-Charles...
The Power of Our Behavior
Why is any reduction in consumption posed in terms of unbearable sacrifice, when no sacrifices are...
23rd Jan 2025
Why is any reduction in consumption posed in terms of unbearable sacrifice, when no sacrifices are necessary to consequentially reduce consumption?
When we think of the word power, we associate it with external forces: energy, technology, the government, etc. But our own...
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...
11th Dec 2023
How Koch Industries became an empire. We draw on ideas from both the Becoming Data Driven series and the Capital Expertise series.
Commoncog
The Hospitality Solution in Your Business
A look at the main provocation of Will Guidara’s Unreasonable Hospitality: that you can solve...
11th Sep 2024
A look at the main provocation of Will Guidara’s Unreasonable Hospitality: that you can solve (certain) business problems with hospitality, and that it only takes a little thoughtfulness to do so.
Commoncog
The 2024 Commoncog Recap
Everything that we covered in 2024, and what to expect in the coming year.
8th Jan 2025
Everything that we covered in 2024, and what to expect in the coming year.
The Rational Walk
Warren Buffett on Berkshire’s Valuation
Warren Buffett has typically avoided commenting on Berkshire's stock price, but he has provided some...
3rd Mar 2025
Warren Buffett has typically avoided commenting on Berkshire's stock price, but he has provided some clues that are worth considering.
The Rational Walk
The Digest #227
Final Issue: Bitcoin at $100K, Buffett and Munger Unscripted, Blue Chip Stamps, Flawed CPI...
5th Dec 2024
Final Issue: Bitcoin at $100K, Buffett and Munger Unscripted, Blue Chip Stamps, Flawed CPI Statistics, Ergodicity, The End of Shame, Notre Dame, Online Censorship, Healthcare Costs, and more ...
Bits about Money
Demystifying financial leverage
Leverage is actually reasonably easy to understand, both in the math and in the implications for...
11th Nov 2022
Leverage is actually reasonably easy to understand, both in the math and in the implications for financial firms.
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...
2nd Aug 2023
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...
Molson Hart's Blog -...
America Underestimates the Difficulty of Bringing Manufacturing Back
On April 2nd, 2025, our president announced major new taxes on imports from foreign countries...
6th Apr 2025
On April 2nd, 2025, our president announced major new taxes on imports from foreign countries (“tariffs”), ranging from 10% to 49%. The stated goal is to bring manufacturing back to the United States and to “make America wealthy again”.
These tariffs will not work. In fact, they...
Mazdak
Working Out Will Change Your Life
Do you want to lose weight? Have more energy? Sleep better? Improve your mood? If so, then you need...
8th Aug 2023
Do you want to lose weight? Have more energy? Sleep better? Improve your mood? If so, then you need to start working out. Working out has a myriad of benefits that can improve your life in many ways. Here are just a few of the ways that working out can change your life:
Commoncog
How to Become an Asian Tycoon
Every Asian tycoon becomes a tycoon in the exact same way. Learning to see this core pattern is half...
1st Apr 2025
Every Asian tycoon becomes a tycoon in the exact same way. Learning to see this core pattern is half the battle.
FIRE v London
Jan ’23: Mr Market defuses my tax bombshell
January is always a miserable month to be in London. Thankfully I managed to get away a bit during...
1st Feb 2023
January is always a miserable month to be in London. Thankfully I managed to get away a bit during the month (not to Davos, no), and enjoy myself in London despite the wintry weather. What you’re paying for in Mayfair these days Market movements in January The markets on the...
balajis.com
Bond Villain
When Powell devalued bonds, he destroyed the economy.
4th Jul 2023
When Powell devalued bonds, he destroyed the economy.
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