[1]
Angrist, J.D. and Pischke, J.-S. 2015. Mastering Metrics: The Path from Cause to Effect. Princeton University Press.
[2]
Ashenfelter, O. et al. 2003. Statistics and Econometrics: Methods and Applications. Wiley.
[3]
Economics - LibGuides at University of Exeter: https://libguides.exeter.ac.uk/EconomicsHomePage.
[4]
2009. Mostly harmless econometrics : an empiricist’s companion. Princeton University Press.