3 IZA Discussion Papers
IZA Discussion Paper No. 12984
published in: Kyklos, 2021, 74(1): 48-76
IZA Discussion Paper No. 10609
published in: Journal of Behavioral and Experimental Economics, 2017, 68, 13-17
IZA Discussion Paper No. 8443
revised version published in: Economics Letters, 2015, 128, 25-29