Difference-in-Differences (DiD)

Heterogeneous treatment effects via two-stage DID

An introduction to heterogeneous treatment effects using the two-stage DID estimator of Gardner (2021)

Staggered DiD (Ex1)

An introduction to difference in differences with multiple time periods and staggered treatment adoption.

Staggered DiD

An introduction to difference in differences with multiple time periods and staggered treatment adoption.

Basic DiD

An introduction to the basic differences in differences method using the classical incenerator example of Kiel and McClain (1995)