8 IZA Discussion Papers
IZA Discussion Paper No. 13652
IZA Discussion Paper No. 13440
IZA Discussion Paper No. 11967
IZA Discussion Paper No. 8865
IZA Discussion Paper No. 4798
published in: Journal of Urban Economics, 2010, 68 (1), 82-89
IZA Discussion Paper No. 4573
IZA Discussion Paper No. 3598
IZA Discussion Paper No. 806
published in: International Economic Review, 2003, 44 (4), 1337-1357