44 IZA Discussion Papers
IZA Discussion Paper No. 4294
published in: Regards sur l'Economie Allemande, 2010, 96, 13-21
IZA Discussion Paper No. 4054
published in: International Economic Review, 2010, 51(4), 925-958
IZA Discussion Paper No. 2802
published in: Economica, 2013, 80 (318), 219-247
IZA Discussion Paper No. 2722
published in: Review of Economics of the Household, 2007, 5 (3), 249-278