3 IZA Discussion Papers
IZA Discussion Paper No. 12154
published in: Journal of Labor Economics, 2021, 39 (S2), S455-S506.
IZA Discussion Paper No. 6294
revised version published in: Labour Economics, 2019, 57, 117-130
IZA Discussion Paper No. 4773
published in: Review of Economics and Statistics, 2013, 95 (3), 1030-1045