143 IZA Discussion Papers
IZA Discussion Paper No. 231
published as 'Economic aspects of human cloning and reprogenetics' in: Economic Policy, 2003, 18 (36), 72 - 122
IZA Discussion Paper No. 184
published in: Miles Corak (ed.), Generational Income Mobility in North America and Europe. Cambridge University Press 2004
IZA Discussion Paper No. 158
published in: Journal of Population Economics, 15 (4), 2002, 757-772