My end-of-week morning train WFH reads: • You Have No Idea What a Trillion Dollars Is — and We Have Proof: WSJ runs an interactive on what a trillion actually means as Musk closes in on it. Useful corrective for headline numbness. (Wall Street Journal) • People love working from home. But does it love…
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My morning train WFH reads: • The Future of Work & AI: How 16 top economists think AI will change the job market, and how to prepare for AI’s labor-market implications. Useful as a baseline against the louder, less data-grounded takes. (Wall Street Journal) • An entire industry is being propped up by math that…
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My mid-week morning train WFH reads: • University Endowments Are About to Strike It Big on the SpaceX IPO: WSJ on the endowment mark-ups about to land. The illiquid bet, finally meeting the liquidity event — and a reminder that the smart-money story is mostly an access story. (Wall Street Journal) • Driverless Trucks Are…
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Following up from yesterday’s post:
Haskell's missing mutable reference type Links
Whilst looking at the Scoped thread-locals GHC proposal I realised that Haskell is missing a mutable reference type that some other languges have (and people have tried to encode in Haskell), so I wrote it up: haskells-missing-mutable-ref
Today I show a reference implementation for IOScopedRef:
My Two-for-Tuesday morning train reads: • Revisiting the SpaceX Valuation: A Post-Prospectus Update! If the prospectus is to be believed, SpaceX has the largest TAM of any company in history, with a total TAM of $28 trillion, and AI accounts for $26 trillion of that market estimate. This estimate borders on fantasy, but I will…
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My back-to-work morning train WFH reads: • The Math Behind a $100 Million Home? Spoiler: It Doesn’t Always Add Up.: Mansion Global on the comps, carrying costs, and discount that explain why most nine-figure listings sit. The trophy-asset market is mostly trophies, not assets. When sales data is too scarce for a conventional appraisal, brokers…
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Avert your eyes! My Sunday morning look at incompetency, corruption and policy failures: • “This Is Not Financial Advice”: How finfluencers prey on economic desperation. NOEMA on the meme-finance ecosystem hiding behind the disclaimer — and what regulators have already let slip past it. Long, careful, frustrating. (NOEMA) • This Is Why America Can’t Have Robots…
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The weekend is here! Pour yourself a mug of Danish Blend coffee, grab a seat outside, and get ready for our longer-form weekend reads: • The Father-Daughter Showdown That Shook an $18 Trillion Investing Empire: WSJ on Abby Johnson finally winning the long, quiet war for Fidelity — and what her late father gave up to…
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My end-of-week morning train WFH reads: • Congrats. You’re About to Unwittingly Make Elon Musk a Trillionaire. SpaceX is IPOing next week. And there’s a good chance you’re gonna own a portion of it—whether you like it or not. (The Bulwark) • Oil industry warns Trump administration of price spikes within weeks: Politico on the…
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Get some rest.
My morning Montreal reads: • Shorting SpaceX? Jefferies Becomes Go-To Bank After IPO Miss: It’s the kind of look that ambitious investment bankers usually strive to avoid: When SpaceX named the roughly two dozen firms handling its IPO, Jefferies Financial Group Inc. was conspicuously absent. But behind the scenes, bearish investors and some of Jefferies’…
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My mid-week morning plane reads: • Real-Estate Agents Are Quitting the Slow Housing Market: Four years into a struggling market, even agents who survived the initial shakeout are hitting their breaking point. Fewer sales, longer timelines, second jobs. (Wall Street Journal) • No, Market Highs Are Not a Bad Sign: The old Ritholtz classic, still relevant—the data…
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Welcome to June! Kick off your back-to-work with our expertly curated morning reads: • The Lowest Consumer Sentiment EVER: We are currently sitting at the lowest level of consumer sentiment in the past 75 years!. Lower than the Great Financial Crisis when the stock market crashed almost 60%, the financial system nearly imploded and the…
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Nice post. @marcosh where do you think relative monads feature in this?
Applicative-wired monad pattern Links
Oh sure. Essentially a relative monad in Haskell is a type constructor with the following operations: -- f is a functor, but not necessarily an endofunctor class Relative f g where rPure :: g a -> f a rBind :: (g a -> f b) -> f a -> f b with some laws (which are essentially the same…
Avert your eyes! My Sunday morning look at incompetency, corruption and policy failures: • Let There Be Luce: The Electric Ferrari Is Finally Here: Wired’s first look at the Ferrari Luce — the EV the marque kept delaying. Performance numbers, sound design, and the open question of whether Ferrari resale survives a powertrain swap. (Wired) •…
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The weekend is here! Pour yourself a mug of Danish Blend coffee, grab a seat outside, and get ready for our longer-form weekend reads: • SpaceX: The AI IPO: SpaceX’s revenue in 2025 was $18.7 billion, which works out to a potential price-to-sales (P/S) ratio of 93x. The highly-anticipated Form S-1 filing document arrives as SpaceX…
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My end-of-week morning reads: • One Million New-Car Buyers Are Gone and They’re Not Coming Back Soon: WSJ on the demand hole left by affordability — a million households permanently priced out of the new-car market. The structural part of the auto cycle that doesn’t show up in monthly SAAR. High gas prices, rising interest rates…
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My morning train WFH reads: • Land Appreciates. Homes Depreciate. The structure (house) is a depreciating asset: without continuous investment and updates, its value declines over time, even after renovations. The land is the appreciating component: long-term price gains in real estate are primarily driven by rising land values, not by the building itself. Jonathan…
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My mid-week morning reads: • SpaceX: Here’s What You Get For $1.75 Trillion: The largest IPO in history. Here are the numbers that matter. A clean bottoms-up breakdown of the SpaceX IPO valuation by segment — launch, Starlink, contracts, “AI infrastructure.” Useful for the math beneath the headline. (Fiscal.ai) • How Prediction Markets and Crypto Firms…
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My Two-for-Tuesday morning train WFH reads: • Inflation Is Stinging Bonds—With One Big Exception: Treasury inflation-protected securities are generating positive returns despite a rough bond market. Barron’s on TIPS finally doing the job they were designed to do. Worth re-reading if you’ve been underweight inflation-linked paper for the last decade. (Barron’s) • It’s Boating Season,…
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My day of remembrance for those who have been lost reads: • Memorial Day. Eric Paliwoda was a big dude. Probably six-foot-six. Those big, meaty hands that would swallow your own in a tight handshake. His jaw stuck out, exaggerated by a lip full of dip. He was raised in Connecticut, but seemingly emerged from…
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Avert your eyes! My Sunday morning look at incompetency, corruption and policy failures: • The Global Fertility Crisis Is Worse Than You Probably Think: Everybody knows about the decline in birthrates. Fewer people understand why—or just how significantly it could transform society in the next few decades. (Derek Thompson) • The Feed Is Fake: That “viral” song,…
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The weekend is here! Pour yourself a mug of Danish Blend coffee, grab a seat outside, and get ready for our longer-form weekend reads: • Squillions: Where is all that cash, who’s using it, and for what? The answer proposed by Bullough is bizarre: nobody knows. ‘The number of banknotes is increasing, and the question of…
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My end-of-week morning train WFH reads: • What’s the Sticker Price of Exorbitant Privilege? A clean Substack walk-through of the dollar’s “exorbitant privilege” — what reserve status earns the US, what it costs, and what would actually shake it. The de-dollarization chatter usually skips the math; this one shows it. That raises the obvious question:…
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My morning train WFH reads: • Before you invest in crypto, watch this film: Mother Jones on a documentary diagnosing crypto as a wealth-transfer machine pointed at retail. The OC star turned skeptic remains an unlikely but effective explainer. Ben McKenzie scorches the cult of cryptocurrency. (Mother Jones) • Nobody Knows Anything: A market-strategy riff…
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My mid-week morning train WFH reads: • Stock Gains Without All the Taxes? How the Hottest Trade on Wall Street Works: The stock-market surge has propelled the use of a new kind of tax-loss harvesting. We break it down. The WSJ on the surge of direct-indexing and Section 351 ETF conversions that let wealthy investors…
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My Taco Tuesday morning train strike Lyft reads: • Words That Mattered: Fed Chair Jay Powell: A close reading of Powell’s most consequential lines, dated and re-contextualized. Excellent reference for the next FOMC parse. (Stay-at-Home Macro) • How Trump plans to keep tariffs at the center of his economic policy despite stinging court losses: The…
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My back-to-work morning train WFH reads: • Trump’s More Than 3,700 Trades Astonish Wall Street Insiders: President Donald Trump’s latest financial disclosures show that he or his investment advisers made more than 3,700 trades in the first quarter, a flurry totaling tens of millions of dollars and involving major companies that have dealings with his…
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Avert your eyes! My Sunday morning look at incompetency, corruption and policy failures: • Trump’s China Trip Underscores How Power Has Shifted East. Given that Trump explodes at even the most trifling perceived affront—pulling 5,000 American troops out of Germany after Chancellor Friedrich Merz said the U.S. had been “humiliated” in Iran—it was telling that Xi…
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The weekend is here! Pour yourself a mug of Danish Blend coffee, grab a seat outside, and get ready for our longer-form weekend reads: • Pay Attention: Essential advice for the class of 2026. It sounds simple. But paying attention is in fact one of the most challenging and meaningful things you can do. Because what…
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