With David Arnold and Will Dobbie
Updated January 2020. Revision requested, Econometrica
With Kirill Borusyak and Xavier Jaravel.
Updated September 2018. Revision requested, Review of Economic Studies
ssaggregate Stata package for estimating shift-share IV with exogenous shocks
Updated April 2018
Updated February 2018.
Instruments Combining Quasi-Random Shocks with Non-Random Exposure: Theory and Applications
With Kirill Borusyak
Mortality Effects and Choice Across Health Insurance Plans
With Jason Abaluck and Amanda Starc