@book{Angrist_Pischke_2015, address={Princeton}, title={Mastering Metrics: The Path from Cause to Effect}, publisher={Princeton University Press}, author={Angrist, Joshua David and Pischke, Jörn-Steffen}, year={2015} }
@book{Ashenfelter_Levine_Zimmerman_2003, address={Chichester}, title={Statistics and Econometrics: Methods and Applications}, publisher={Wiley}, author={Ashenfelter, Orley and Levine, Phillip B. and Zimmerman, David J.}, year={2003} }
@book{Mostly harmless econometrics : an empiricist’s companion_2009, url={http://encore.exeter.ac.uk/iii/encore/record/C__Rb1846953?lang=eng}, publisher={Princeton University Press}, year={2009} }
@misc{Economics - LibGuides at University of Exeter, url={https://libguides.exeter.ac.uk/EconomicsHomePage} }