227 IZA Discussion Papers
IZA Discussion Paper No. 262
IZA Discussion Paper No. 262
IZA Discussion Paper No. 261
published in: Scandinavian Journal of Economics, 2005, 107 (2), 375-394
IZA Discussion Paper No. 261
published in: Scandinavian Journal of Economics, 2005, 107 (2), 375-394
IZA Discussion Paper No. 254
IZA Discussion Paper No. 146
published in: Labour Economics, 2001, 8 (2), 161-180
IZA Discussion Paper No. 39
published in: Journal of Labor Economics, 2000, 18 (3), 353-376