With David Arnold and Will Dobbie. Updated April 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.
Non-Random Exposure to Natural Experiments: Theory and Applications
With Kirill Borusyak
Mortality Effects and Choice Across Health Insurance Plans
With Jason Abaluck and Amanda Starc