Best of #econtwitter - Week of January 18, 2026: paper summaries

Welcome readers old and new to this week’s edition of the Best of Econtwitter newsletter. Please submit suggestions — very much including your own work! — over email or on Twitter @just_economics.

The variation in quantity across weeks continues to astound. SO MANY GOOD ONES THIS WEEK…

Idiosyncratic favorites: health care

And, separately:

^Finkelstein and Gentzkow are quite clear this correlation is not necessarily causal! (contra various twitter buffoons). Quite plausibly, instead, places with high healthcare productivity => improve health AND lower spending

Idiosyncratic favorites: AI

More idiosyncratic favorites

More paper summaries