847 IZA Discussion Papers
IZA Discussion Paper No. 46
published in: Journal of Population Economics, 2000, 13(3), 485-508
IZA Discussion Paper No. 40
published in: Klaus F. Zimmermann (ed.): European Migration - What Do We Know?, Oxford University Press, Oxford, 2005
IZA Discussion Paper No. 20
published in: International Migration Review, 2002, 36 (2), 467-491
IZA Discussion Paper No. 19
published in: Journal of Population Economics 2000, 13 (1), 57-79
IZA Discussion Paper No. 13
IZA Discussion Paper No. 12
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