423 IZA Discussion Papers
IZA Discussion Paper No. 326
published in: Journal of Comparative Economics, 2002, 30 (4), 657-682
IZA Discussion Paper No. 275
published in: Research in Labor Economics, 2006, 24, 217-234
IZA Discussion Paper No. 20
published in: International Migration Review, 2002, 36 (2), 467-491