1.
Angrist, J.D., Pischke, J.-S.: Mostly harmless econometrics: an empiricist’s companion. Princeton University Press, Princeton (2009).
2.
Cameron, A.C., Trivedi, P.K.: Microeconometrics: methods and applications. Cambridge University Press, Cambridge (2005).
3.
Wooldridge, J.M.: Econometric analysis of cross section and panel data. MIT Press, Cambridge, Mass (2002).