1.
Compendium of articles.
2.
Imbens, G. W. & Rubin, D. B. Causal inference for statistics, social, and biomedical sciences: An introduction. (Cambr, 2015).
3.
Angrist, J. D. & Pischke, J.-S. Mostly harmless econometrics: an empiricist’s companion. (Princeton University Press).
4.
Gerber, A. S. & Green, D. P. Field experiments: design, analysis, and interpretation. (Norton).