With Kirill Borusyak. Updated July 2020
With Jason Abaluck, Mauricio Caceres Bravo, and Amanda Starc. Updated July 2020
With David Arnold and Will Dobbie. Updated July 2020
Updated January 2020
With Kirill Borusyak and Xavier Jaravel.
Updated December 2019. Revision requested, Review of Economic Studies
ssaggregate Stata package for estimating shift-share IV with exogenous shocks
Updated April 2018
Updated February 2018.