209 IZA Discussion Papers
IZA Discussion Paper No. 440
revised version published in: International Economic Review, 2005, 46 (4), 1103-1142
IZA Discussion Paper No. 380
published in: Journal of Economic Inequality, 2005, 3 (2), 91-108
IZA Discussion Paper No. 315
IZA Discussion Paper No. 315
IZA Discussion Paper No. 253
IZA Discussion Paper No. 253
IZA Discussion Paper No. 174
published in: American Economic Review, 2001, 91 (5), 1239-1262
IZA Discussion Paper No. 33
published in: American Economic Review, 1999, 89 (2), 81-88
IZA Discussion Paper No. 28