7 IZA Discussion Papers
IZA Discussion Paper No. 16079
IZA Discussion Paper No. 15943
IZA Discussion Paper No. 12974
IZA Discussion Paper No. 12407
IZA Discussion Paper No. 11325
forthcoming in: International Journal of Manpower, 2022
IZA Discussion Paper No. 10051
published in: Research in Labor Economics, 2017, 45, 243-277
IZA Discussion Paper No. 4982
published in: Economics of Education Review, 2010, 29 (6), 1089-1099