47 IZA Discussion Papers
IZA Discussion Paper No. 4318
published in: Journal of Development Economics, 2010, 91 (2), 323-335
IZA Discussion Paper No. 4277
published in: OPEC Energy Review, 2009, 33 (3/4), 184-197
IZA Discussion Paper No. 4066
IZA Discussion Paper No. 3950
published in: International Journal of Manpower, 2009, 30 (1+2), 26-42
IZA Discussion Paper No. 3450
substantially revised version published in: Oxford Handbook on Economic Inequality, Oxford University Press, Oxford et al., 2009, 455 - 490
IZA Discussion Paper No. 3393
published in: Annales d’Economie et de Statistique, 2010, 97/98, 123-42
IZA Discussion Paper No. 2501