5 IZA Discussion Papers
IZA Discussion Paper No. 16252
published in: Economics of Education Review, 2023, 97, 102464
IZA Discussion Paper No. 16203
IZA Discussion Paper No. 8475
published in: Economic Policy, 2015, 30 (84), 683-728
IZA Discussion Paper No. 6646
published in: Journal of Public Economics, 2014, 120 , 32-47
IZA Discussion Paper No. 2662
published in: Industrial and Labor Relations Review, 2007, 61(1), 90-107