3.448 IZA Discussion Papers
IZA Discussion Paper No. 15
published in: Applied Economics Quarterly, 2004, 50 (4), 329–362
IZA Discussion Paper No. 9
IZA Discussion Paper No. 8
published in: Staatswissenschaften und Staatspraxis, 1998, 9 (2), 191-208
IZA Discussion Paper No. 7
published in: Boesler, Klaus-Achim/ Heinritz, Günter/ Wiessner, Reinhard (Hrsg.), Europa zwischen Integration und Regionalismus, Franz Steiner Verlag, Stuttgart, 1998, 56-66
IZA Discussion Paper No. 4
published in: Ohashi, Isao/ Tachibanaki, Toshiaki (eds.), International Labour Markets, Incentives and Employment, Macmillan Press LTD, Houndsmills, 1998, 300-332
IZA Discussion Paper No. 3
IZA Discussion Paper No. 2
published in: R. Faini / J. de Melo / K. F. Zimmermann (eds.), Migration. The Controversies and the Evidence, Cambridge, 1999, 296-327
IZA Discussion Paper No. 1
published in: Applied Economics, 1998, 30 (11), 1413-1420