9 IZA Discussion Papers
IZA Discussion Paper No. 14238
IZA Discussion Paper No. 14195
IZA Discussion Paper No. 13467
IZA Discussion Paper No. 12225
IZA Discussion Paper No. 5557
published in: International Journal of Manpower, 2013, 34 (1), 56-69.
IZA Discussion Paper No. 4415
published in: Journal of Urban Economics, 2010, 67(1), 103-15
IZA Discussion Paper No. 4308
IZA Discussion Paper No. 3320
revision published in: Regional Science and Urban Economics, 2009, 39(4), 386-396