6 IZA Discussion Papers
IZA Discussion Paper No. 14403
IZA Discussion Paper No. 14182
IZA Discussion Paper No. 8195
published in: Oxford Bulletin of Economics and Statistics, 2017, 79, 797–821.
IZA Discussion Paper No. 4350
published in: Research in Labor Economics, 2009, 29, 253-271
IZA Discussion Paper No. 2792
revised version published in: Labour Economics, 2009, 16(2), 161-170
IZA Discussion Paper No. 1712
published in: Labour Economics, 2008, 15 (3), 515-537