225 IZA Discussion Papers
IZA Discussion Paper No. 953
published in: Swedish Economic Policy Review, 2003, 10 (2), 143-170
IZA Discussion Paper No. 952
published in: Economic Journal, 2006, 116 (508), 200-222
IZA Discussion Paper No. 931
published in: Journal of Population Economics, 2007, 20 (1), 9-33
IZA Discussion Paper No. 732
published in: Journal of Labor Economics, 2006, 24 (1), 39-57
IZA Discussion Paper No. 714