159 IZA Discussion Papers
IZA Discussion Paper No. 1342
IZA Discussion Paper No. 1294
published in: Labour Economics, 2011, 18 (2), 159-167
IZA Discussion Paper No. 1155
IZA Discussion Paper No. 816
IZA Discussion Paper No. 536
IZA Discussion Paper No. 522
published in: European Sociological Review, 2003, 19 (2), 179-198
IZA Discussion Paper No. 402
published in: American Economic Review, 2002, 92 (4), 957-980
IZA Discussion Paper No. 249
IZA Discussion Paper No. 32
published in: Applied Economics, 2000, 32(14), 1865-1876