4 IZA Discussion Papers
IZA Discussion Paper No. 17148
forthcoming in: Labour
IZA Discussion Paper No. 16390
published in: Economic Journal, 2024, 134 (657), 171 - 294
IZA Discussion Paper No. 866
published in: K.F. Zimmermann (ed.), European Migration: What Do We Know, Oxford: OUP, 2005
IZA Discussion Paper No. 774
published in: Population Research and Policy Review, 2005, 24 (6), 5-30