3 IZA Discussion Papers
IZA Discussion Paper No. 14966
revised version published in: European Economic Review, 2023, 151, 104315
IZA Discussion Paper No. 4346
published in: Scandinavian Journal of Economics, 112(4), 841-863, 2010
IZA Discussion Paper No. 822
published in: Economic Policy, 2007, 22 (50), 235-287