6 IZA Discussion Papers
IZA Discussion Paper No. 12596
IZA Discussion Paper No. 9913
published in: Journal of Economic Behavior and Organization, 2017, 136, 29-44
IZA Discussion Paper No. 6074
IZA Discussion Paper No. 799
published in: Oxford Economic Papers, 2005, 57 (1), 169-189
IZA Discussion Paper No. 391
published in: International Economics and Economic Policy, 2005, 1 (4), 329-348
IZA Discussion Paper No. 381
published in: Journal of Labor Research, 2003, 24 (1), 85-129