284 IZA Discussion Papers
IZA Discussion Paper No. 361
published in: Research in Labor Economics, 2001, 20, 159-190
IZA Discussion Paper No. 293
published in: Labour Economics, 2004, 11 (3), 373-393
IZA Discussion Paper No. 290
published in: Journal of Population Economics, 2005, 18 (4), 663–690
IZA Discussion Paper No. 227
published in: European Economic Review, 2004, 48 (6), 1243-1255