9 IZA Discussion Papers
IZA Discussion Paper No. 15736
IZA Discussion Paper No. 14455
IZA Discussion Paper No. 10514
IZA Discussion Paper No. 6343
IZA Discussion Paper No. 5794
published in: Applied Economics, 2013, 45 (13), 1719-1729
IZA Discussion Paper No. 4858
IZA Discussion Paper No. 4128
published in: Review of Economic Studies, 2012, 79 (3), 1021-1052
IZA Discussion Paper No. 1630
published in: Journal of Labor Economics, 2008, 26 (2), 287-310
IZA Discussion Paper No. 605
revised version published in: International Journal of Human Resource Management, 2005, 16 (1), 104-119