Jan Eeckhout

@janeeckhout.bsky.social

Economist. Professor at UPF Barcelona. Work on market power, macro, labor. Author of “The Profit Paradox” TheProfitParadox.com

📢 Now open for applications! The 2025 ERC Advanced Grant call for proposals. 📢 Are you an established Principal Investigator who needs long-term funding to pursue ground-breaking research? The ERC Advanced Grant could be for you! Apply by 28 August 2025 👉 buff.ly/f6FEXHk 🧵Thread 1/5 👇

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For those not on the other platform on Google and DOJ's proposed remedies for Google's 3rd antitrust defeat (adtech). I threaded Friday's hearing but this full doc is nothing short of beautiful. Best stuff may be missed so hear me out. This is a huge deal - 10yrs, "lifeblood of the Internet." /1

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If Europe doubles defense spending now, it will get substantially less than double in defense goods and services. Prices have gone up. What matters for security is quantities, not expenditure

Competition policy that sets market power to 1980s levels would lower the stock market by 45%. The remainder, due to accumulated retained earnings (35%) and a lower risk-free rate (20%), is unaffected.

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Let’s hope for the Liz Truss lettuce solution: The tariffs are so bad for the economy that the markets take care of it. The only issue is that an orange pumpkin 🎃 takes longer to decay than a lettuce 🥬

New randomized, controlled trial by the World Bank of students using GPT-4 as a tutor in Nigeria. Six weeks of after-school AI tutoring = 2 years of typical learning gains, outperforming 80% of other educational interventions. And it helped all students, especially girls who were initially behind.

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wow. This AI lawsuit against Facebook keeps getting worse as they reluctantly unseal documents on Court orders. Check out this allegation. Not only two hrs before discovery cut-off but the Friday before we now know Mark Zuckerberg was deposed... more on that in a minute. /1

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