3 IZA Discussion Papers
IZA Discussion Paper No. 12340
published in: Empirical Economics, 2020, 59, 1933-1957
IZA Discussion Paper No. 12250
revised version published in: Journal of Business Ethics, 2020, 166(3), 643-658
IZA Discussion Paper No. 6213
published in: Journal of Economic Literature, 2012, 50 (1), 96 - 102