146 IZA Discussion Papers
IZA Discussion Paper No. 918
IZA Discussion Paper No. 774
published in: Population Research and Policy Review, 2005, 24 (6), 5-30
IZA Discussion Paper No. 744
published in: European Journal of Political Economy, 2006, 22 (4), 944-968
IZA Discussion Paper No. 739
IZA Discussion Paper No. 604
IZA Discussion Paper No. 337
published in: International Journal of Manpower, 2004, 25 (2), 150-166