28 IZA Discussion Papers
IZA Discussion Paper No. 2488
published in: Population Studies, 2008, 62 (2), 171-190.
IZA Discussion Paper No. 2482
IZA Discussion Paper No. 2412
published in: Journal of Research on Educational Effectiveness, 2008, 1(1), 1-23
IZA Discussion Paper No. 2251
published in: Journal of the Royal Statistical Society, Series A, 2006, 169 (4), 829-848
IZA Discussion Paper No. 2193
published in: Journal of Population Economics, 2011, 24 (1), 141-165
IZA Discussion Paper No. 1200
IZA Discussion Paper No. 1138
revised version published in: Journal of Applied Econometrics, 2009, 24 (7) 1095-1116
IZA Discussion Paper No. 1003
published in: Research in Labor Economics, 2010, 30,189-231
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