Economics Journals as Tennis Tournaments 🧵(for an extremely niche audience) Quarterly Journal of Economics = Wimbledon The oldest and most influential event, but also clubby, snobby, and elitist. To win it you must train on a very particular surface/ZIP code.

Frequent convo between me and PhD students Me: "After 400 hours of data analysis on industry X, have you talked to anyone actually working in industry X" Student (S): "No" Me: "Why not?" Student: "Where would I find someone in industry X willing to talk to me"

Sadly it’s not just students who believe this. The “need to flex” is so real rather than seeing the message that’s conveyed. I started using LaTeX when I was 16, but the design flexibility and speed of Office / Keynote is hard to beat!

🚨 2025 Nobel Prize in Economics goes to Mokyr, Aghion and Howitt 🚨 "for having explained innovation-driven economic growht" The best prize in years!

Surreal feeling when your advisor (and first coauthor) wins the Nobel Prize!

This account is fake - I emailed the real Joel Mokyr to check. If you can help get it reported/shut down, please do - probably the easiest just to reach out to someone you know at X

I am super excited to share a new AI tool, Refine. Refine thoroughly studies research papers like a referee and finds issues with correctness, clarity, and consistency. In my own papers, it regularly catches problems that my coauthors and I missed. 1/

What’s the matter with India? It is not inevitable that India be poor. Its people are certainly capable of being extremely productive. Indian immigrants to the United States and elsewhere have been very successful. India’s government has been stable since independence, and

And science it is. Not a long meandering book you puzzle over. The logic is explicit. It makes quantitative predictions. You can see where it fails (it does) and improve it, or reject it. Even when wrong, that's science.

Let me explain why I believe modern economics is such a powerful tool for understanding the world. I’ll do this by discussing a great paper by Simone Cerreia-Vioglio, Lars Peter Hansen, Fabio Maccheroni, and Massimo Marinacci, “Making Decisions Under Model Misspecification,”

Don't miss the wonderful interview of Philippe Aghion by economist Antoine Levy . An indepth review of his economic contribution, of his intellectual journey and of the main economic challenges facing France and Europe. With bonus personal pictures! (in English)

Macro outcomes depend on the distribution of markups across firms/time, making firm-level markup estimates key for macro analysis. Firm data with wide coverage primarily comes from financial statements. Can markups be accurately estimated with such data? econometricsociety.org/publications/e…

At the heart of economics is a scientific mystery--a mystery as deep, fundamental, and inspiring as that of the expanding universe or the forces that bind matter. How is order produced from freedom of choice? - Vernon Smith (paraphrased), 1982 AER

Andrew Wiles on the morning he discovered how to fix his proof of Fermat's Last Theorem

James Stratton and I put out a working paper a few days ago on exactly this question! We propose a way to answer it using a simple causal analogue of the R² ("Causal R²").🧵(1/12). Paper: drive.google.com/file/d/1FWNLf7…

On the link between innovation and competition, new evidence from standardization. Recently accepted at the Journal of Financial Economic. TLDR: standards are good for innovation but only in competitive markets dropbox.com/scl/fi/kgag3yh…

1/ Hi, my name is Isaac Martinez. I am a PhD student in Economics at the LSE, and I wanted to share something personal. On July 6, 2025, I suffered a stroke while I was finishing my PhD. It was completely unexpected and changed my life. #EconTwitter #EconJobMarket

Recently accepted by #QJE, “Diversifying Society’s Leaders? The Determinants and Causal Effects of Admission to Highly Selective Private Colleges,” by Chetty (@Oppinsights), Deming (David Deming), and Friedman (John N.Friedman): doi.org/10.1093/qje/qj…

One week left to submit to the Call for Papers for the World Inequality Conference 2026, which will take place at the Paris School of Economics on June 4–5, 2026 Click here for the details: inequalitylab.world/en/event/world…

Releasing a new "Agentic Reviewer" for research papers. I started coding this as a weekend project, and Yixing Jiang made it much better. I was inspired by a student who had a paper rejected 6 times over 3 years. Their feedback loop -- waiting ~6 months for feedback each time -- was