Here I describe the Callaway and Pedro H. C. Sant'Anna estimator by linking it to Abadie (2005), as well as professional age forecaster (2019). It was a lot of fun to write. It is my inaugural substack entry. Enjoy! FWI, it has a replication/application in R. causalinf.substack.com/p/callaway-and…

Productive day in the office at Terry College | UGA. We produced 2 PhDs. Dr Scott Spitze is going to Burning Glass Tech and Dr Fan Liang Fan Liang is going to Loyola Marymount University. Very proud of both and will miss them.

Excited to announce that I'll be joining the Center for Economic Studies (CES) at the U.S. Census Bureau as a Research Economist, starting this summer! I can't wait to get to work with some awesome colleagues!

1/6 NEW PAPER ALERT! (Or, new Hollywood script alert) LozanoRojasF and I have a new paper out today using transaction-level ARCOS data to document a *huge* opioid diversion event in December 2007 & trace its impact on opioid mortality. papers.ssrn.com/sol3/papers.cf…