Mostly Harmless Econometrics: An Empiricistís Companion https://www.amazon.com/Mostly-Harmless-Econometrics-Empiricists-Companion-ebook/dp/B003TSELA0 PDF: https://jonnyphillips.github.io/FLS6415/Class_3/Angrist%20&%20Pischke.pdf Replication code: https://github.com/vikjam/mostly-harmless-replication Lectures: https://github.com/mr-devs/mostly-harmless-econometrics-lectures Joshua Angrist, Jörn Steffen Pischke Econometrics, Causal inference