869 IZA Discussion Papers
IZA Discussion Paper No. 117
IZA Discussion Paper No. 95
IZA Discussion Paper No. 91
published in: M. Lechner, F. Pfeiffer (eds.), Econometric Evaluation of Labour Market Policies, Heidelberg: Physica, 2001, 43-58
IZA Discussion Paper No. 87
published in: Economics of Education Review, 2002, 21 (2), 221-229
IZA Discussion Paper No. 87
published in: Economics of Education Review, 2002, 21 (2), 221-229
IZA Discussion Paper No. 85
published in: Oxford Bulletin of Economics and Statistics, 2000, 62 (s1), 801-835
IZA Discussion Paper No. 16
IZA Discussion Paper No. 5
published in: Labour Economics, 1999, 6 (2), 229-251
IZA Discussion Paper No. 1
published in: Applied Economics, 1998, 30 (11), 1413-1420