47 IZA Discussion Papers
IZA Discussion Paper No. 2037
published in: Economics of Education Review, 2009, 28 (3), 393-402
IZA Discussion Paper No. 2026
published in: Labour Economics, 2007, 14 (3), 393-412
IZA Discussion Paper No. 1677
IZA Discussion Paper No. 1121
published in: Economics Letters, 2005, 89 (1), 1-6
IZA Discussion Paper No. 1097
published in: Socio-Economic Review, 2004, 2 (2), 285-313
IZA Discussion Paper No. 1014
published in: Economic Inquiry, 2007, 45 (2), 233-250
IZA Discussion Paper No. 891
published in: Labour, 2007, 21 (3), 443-471