Macroeconomics, microeconomics, labor markets, finance, trade, mechanism design, and behavioral economics.
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Practical Magic
Swapping the types of crops farmers plant is twice as effective at saving groundwater as buying high-tech irrigation gear.
Paradigm Challenge
As countries get richer and better run, the number of women choosing STEM degrees actually starts to drop.
Paradigm Challenge
Putting people from opposite political parties on the same corporate audit committee actually makes the company's math more honest.
Paradigm Challenge
Companies tend to buy the crappiest carbon offsets when the projects are located right near their own headquarters.
Practical Magic
Patent applications are four times longer than they used to be just because word processors make it so easy to copy-paste filler text.
Paradigm Challenge
Despite what everyone in the neighborhood says, building a giant data center nearby has zero impact on how much your house is worth.
Paradigm Challenge
Legalizing sports betting has absolutely no impact on state lottery sales.
Paradigm Challenge
If you give an AI agent a little bit of 'social' personality, humans are way more likely to forgive it when it screws up.
Paradigm Challenge
The 1970s divorce boom might have been caused by a sudden surplus of young women rather than a shift in morals.
Paradigm Challenge
Making college cheaper can actually backfire and make students study less for their entrance exams.
Paradigm Challenge
Racial inequality in jail isn't just about over-policing—it’s driven just as much by judges giving white people 'selective mercy.'
Paradigm Challenge
Corrupt government agencies don't just accidentally hire bad auditors—they strategically pick the ones with the worst reputations to help hide their crimes.
Practical Magic
Swapping social media for ChatGPT for two months actually gives your memory and critical thinking a massive boost.
Paradigm Challenge
Generative AI is actually a huge win for experienced workers, making them look even better compared to the younger tech-savvy crowd.
Paradigm Challenge
Online stores actually need those cranky customers who leave bad reviews to keep the whole rating system from becoming a joke.
Nature Is Weird
Investors are way more likely to buy a stock if some totally unrelated company with the same price happens to be doing well.
Paradigm Challenge
Forget the 'nesting' myth—people actually spend way less money while they’re pregnant and only start splurging after the baby shows up.
Nature Is Weird
A popular TV show about headhunters actually caused real-world stock market chaos for real recruiting companies.
Paradigm Challenge
In cutthroat markets, just letting the players talk to each other fixes waste better than changing the prize money.
Practical Magic
A person’s language starts shifting in specific 'mathematical' ways—like a shrinking sense of time—right before a mental health crisis hits.
Paradigm Challenge
All these non-binding 'AI ethics' promises are making the technology more dangerous because nobody takes the warnings seriously anymore.
Paradigm Challenge
A new legal theory argues that since consenting to sex isn't consenting to being a parent, the law should let people 'opt out' of child support.
Paradigm Challenge
Graders for China’s big college entrance exam often ignore the rules to reward students who write essays with 'moral correctness.'
Paradigm Challenge
AI data centers can pay 100 times more for electricity than other industries and still walk away with a profit.
Practical Magic
Public companies are basically 'day trading' their own stock to boost their market value by about 1% every year.
Paradigm Challenge
The Great Crash of 1929 wasn't a bubble or a loss of faith—it was caused by a massive pile-up of unsold stuff in warehouses.
Paradigm Challenge
The best way to pay back victims of price-fixing is to let the first criminal who snitches lead the lawsuit against his old buddies.
Practical Magic
Just being mentioned in the news—even for something good—triggers a 'spotlight tax' where auditors start charging you way more.
Practical Magic
About half of a brand's dominance comes from secret, long-term deals with grocery stores, not because people actually like the product more.
Paradigm Challenge
When banks fight harder for corporate clients, businesses actually cut their R&D spending just to make their profits look better on paper.
Paradigm Challenge
When a study finds that a policy had 'no effect,' it might actually be a sign that the market is so competitive it's become immune to outside help.
Paradigm Challenge
Laws meant to stop people from bullying journalists actually end up making factory floors safer for workers.
Paradigm Challenge
Power plant owners are blocking new battery companies from the market just by messing with prices to make storage look unprofitable.
Paradigm Challenge
Extreme global rivalries are actually making international groups more active and tougher, instead of tearing them apart.
Paradigm Challenge
Giving more people health insurance sounds great, but it hasn't actually improved their mental health at all.
Paradigm Challenge
Drivers who don't stop at crosswalks kill more people than drunk drivers do, but they barely get more than a slap on the wrist.
Paradigm Challenge
When you hear news about the government spending more on the military, it actually makes it cheaper for regular companies to borrow money.
Practical Magic
The legal test for design patents is psychologically rigged to help people get away with ripping off designs.
Paradigm Challenge
A lot of 'underperforming' investment strategies are actually more efficient than the market if you factor in how much time you're actually at risk.
Paradigm Challenge
Once you actually start learning a new skill, you get worse at predicting how much more you’re going to learn in the future.
Paradigm Challenge
Individual investors will gamble like crazy when they’re falling behind their friends, but they don't play it safe when they’re winning.
Practical Magic
Every single hectare of coca grown in Colombia ends up costing about $48,000 in overdose deaths here in the States.
Paradigm Challenge
Adding a 'public option' into the workers' comp market actually made the market more crowded and drove prices up.
Paradigm Challenge
The way the Champions League is set up is mathematically killing the competition in local soccer leagues.
Practical Magic
Auditing just one company at random makes other firms behave better, simply because they use the same broker.
Paradigm Challenge
That bloodstain analysis you see on TV? It has error rates as high as 32% and zero actual science to back it up.
Paradigm Challenge
Donors will stop giving money to a charity if it looks too profitable, even if that profit means they're actually running things well.
Nature Is Weird
Bitcoin crashes don't actually behave like bubbles bursting—they’re more like balloons slowly leaking air.
Paradigm Challenge
Government workers in developing countries sometimes lean into 'Third World' stereotypes just to explain away their own bad work.
Practical Magic
Investment banks are lowballing IPOs so badly that companies now have to hire a second set of 'watchdog' advisers just to keep an eye on them.