Best of #econtwitter - Week of May 18, 2025: 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.
Too many good ones this week :)
Idiosyncratic favorites
^it is striking how contentious the take is that “mergers are mostly about increasing efficiency, not about increasing market power” (but not contentious within the private sector, IME!)
^banger, perplexing paper. Good back-and-forth between one of the authors and Georgist maximalist Lars Doucet:
^see also the Parker Rogers paper. The original thread:
^never 👏 reason 👏 from 👏 a 👏 price 👏 change
^another thread with more diff-in-diff graphs here
More paper summaries
^not obviously inefficient but
Some old papers missed in previous editions
