168 IZA Discussion Papers
IZA Discussion Paper No. 1095
substantially revised version published as IZA DP 2144
IZA Discussion Paper No. 550
IZA Discussion Paper No. 550
IZA Discussion Paper No. 272
IZA Discussion Paper No. 191
published in: Journal of Population Economics, 2003, 16 (2), 265-285
IZA Discussion Paper No. 181
published in: Journal of Urban Economics, 2002, 51(3), 515-541
IZA Discussion Paper No. 99
published in: Journal of Population Economics, 2002, 15(1), 115-135
IZA Discussion Paper No. 70