3 IZA Discussion Papers
IZA Discussion Paper No. 4517
published in: Economic Journal, 2010, 524 (120), F52 - F71
IZA Discussion Paper No. 1852
published in: Journal of Population Economics, 2007, 20 (3), 643 - 667
IZA Discussion Paper No. 721
published as 'Oppositional identities and the labor market' in: Journal of Population Economics, 2007, 20 (3), 643-667