2 papers
econ.EM2026
Which Policy Works, and Where? Estimation and Inference for State-Level Treatment Effects in Difference-in-Differences
Nichole Austin, Sunny R. Karim, Erin Strumpf +1
Policies with a common objective and implementation date may differ in details or context. We distinguish the aggregate average treatment effect on the treated (ATT) from sub-aggre…
econ.EM2024
Difference-in-Differences with Unpoolable Data
Sunny Karim, Matthew D. Webb, Nichole Austin +1
Difference-in-differences (DID) is commonly used to estimate treatment effects but is infeasible in settings where data are unpoolable due to privacy concerns or legal restrictions…