43 IZA Discussion Papers
IZA Discussion Paper No. 1173
published in: Labour Economics, 2008, 15 (1), 118-140
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