4 IZA Discussion Papers
IZA Discussion Paper No. 16449
IZA Discussion Paper No. 13883
published in: Oxford Review of Economic Policy, 2021, 7 (1), 113 - 131
IZA Discussion Paper No. 11231
published in: Journal of Labor Economics, 2021, 39 (4), 931 - 964
IZA Discussion Paper No. 4442
published in: Education Economics, 2011, 19 (4), 411 - 445