8 IZA Discussion Papers
IZA Discussion Paper No. 15619
IZA Discussion Paper No. 14485
revised version accepted at: Review of Income and Wealth
IZA Discussion Paper No. 14104
IZA Discussion Paper No. 13911
published online in: Journal of Population Economics, 24 May 2022
IZA Discussion Paper No. 11854
published in: Economics of Education Review, 2019, 72, 166-186,
IZA Discussion Paper No. 11616
IZA Discussion Paper No. 8825
published in: Labour Economics, 2015, 34, 39-50