2 papers
econ.EM2026
Testing Mechanisms
Soonwoo Kwon, Jonathan Roth
Economists are often interested in the mechanisms by which a treatment affects an outcome. We develop tests for the "sharp null of full mediation" that a treatment affects an o…
econ.EM2026
Interpreting Event-Studies from Recent Difference-in-Differences Methods
Jonathan Roth
This note discusses the interpretation of event-study plots produced by recent difference-in-differences methods. I show that even when specialized to the case of non-staggered tre…