23  Difference-in-difference

Work-in-progress 🚧

You are reading the work-in-progress first edition of Causal Inference in R. This chapter is unstarted, but don’t worry, it’s on our roadmap.

23.1 Difference-in-Difference

[1]  0.2600 -0.7339 -1.4496  0.6962 -0.3695

23.2 Synthetic controls