In this video I demonstrate how to apply a multi state Diff-in-Diff analysis, where policy timings and intensity vary.
This pdf file provides a detailed walkthorough: https://github.com/datasquad/RforQM/b...
The datafiles required can be downloaded from here: https://github.com/datasquad/RforQM/b... and here: https://github.com/datasquad/RforQM/b....

This example is a replication of the results presented in Angrist and Pischke, Mastering Metrics, https://www.masteringmetrics.com/ (Chp 5). That is also the source of the data.
The code is based on: Jeffrey Arnold's R implementation
https://jrnold.github.io/masteringmet...

This clip is part of the R for Econometrics wiki on http://eclr.humanities.manchester.ac.....