🧵My coauthor James Paron is on the market! His paper reconciles apparently contradictory trends since 1970: 📉declining economic growth 📈rising stock market valuations His explanation: Innovation got harder➡️ R&D fell, M&A rose ➡️ top firms pushed the aggregate stock market up

I am not migrating from Twitter to Bluesky. Rather, I will use this account to tweet more about academic economics and mostly in English. At the same time, I will keep my Twitter account to engage with the general public, French political debates, and general trolling.