Angrist, Joshua David, and Jörn-Steffen Pischke. 2009a. Mostly Harmless Econometrics: An Empiricist’s Companion. Princeton: Princeton University Press. http://encore.lib.warwick.ac.uk/iii/encore/record/C__Rb3400383.
———. 2009b. Mostly Harmless Econometrics: An Empiricist’s Companion. Electronic resource. Princeton: Princeton University Press. http://lib.myilibrary.com/browse/open.asp?id=260809&entityid=https://idp.warwick.ac.uk/idp/shibboleth.
———. 2015. Mastering ‘Metrics’: The Path from Cause to Effect. Princeton, New Jersey: Princeton University Press.
Dougherty, Christopher. 2011. Introduction to Econometrics. 4th ed. Oxford: Oxford University Press.
Peter, Kennedy. 2008. ‘Applied Economics’. In A Guide to Econometrics, 6th ed, 361–84. Malden, MA: Blackwell Pub.
Wooldridge, Jeffrey M. 2013. Introductory Econometrics: A Modern Approach. 5th. international ed. Mason, Ohio: South-Western Cengage Learning.
