3 IZA Discussion Papers
IZA Discussion Paper No. 16694
IZA Discussion Paper No. 12922
published in: Nigar Hashimzade and Michael A. Thornton (eds.), Handbook of Research Methods and Applications in Empirical Microeconomics, Cheltenham Glos: Edward Elgar Publishing, 2021
IZA Discussion Paper No. 3800
published in: Journal of Human Resources, 2009, 44 (3), 565-640