3 IZA Discussion Papers
IZA Discussion Paper No. 10713
published in: International Journal of Manpower 2019, 40 , 850–878
IZA Discussion Paper No. 8112
revised version published in: Labour Economics, 2015, 34, 118-126
IZA Discussion Paper No. 7435
published in: Review of Managerial Science, 2015, 9, 751-777