Joung Yeob Ha

@joungyeobha.bsky.social

Economic historian. AP at Hanyang Univ. https://sites.google.com/site/joungyeobha

Slowly but surely coming along: we have a new version of our working textbook on diffs in diffs! papers.ssrn.com/sol3/papers.... Chapters 2 to 4, which cover the set up, classical DIDs, and relaxations of the parallel trends assumptions have been thoroughly revised and are now almost finished.

Credible Answers to Hard Questions: Differences-in-Differences for Natural Experiments

This book introduces applied researchers to modern Differences-in-Differences (DID) methods, that they can use to obtain credible answers to hard causal inferen

papers.ssrn.com