22  Instrumental variables and friends

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.

22.1 Instrumental variable analysis

[1] -0.4643 -0.8417  0.4521 -0.8091  0.6752

22.2 Regression discontinuity

22.3 Difference-in-Difference