DiD Reading Group Meeting #3 from May 14, 2021 (https://taylorjwright.github.io/did-r....

Pedro H.C. Sant'Anna presents his paper "Difference-in-Differences with Multiple Time Periods" (with Brantly Callaway) (https://pedrohcgs.github.io/files/Cal....

Slides can be found here: https://pedrohcgs.github.io/files/Cal...

Example code using did in R: