5 IZA Discussion Papers
IZA Discussion Paper No. 12095
IZA Discussion Paper No. 1410
published in: De Economist, 2005, 153 (4), 425-450
IZA Discussion Paper No. 1290
published in: International Economic Journal, 2005, 19 (2), 197-222
IZA Discussion Paper No. 176
published in: Schmollers Jahrbuch: Zeitschrift für Wirtschafts- und Sozialwissenschaften /Journal of Applied Social Science Studies, 2001, 121(3), 285-312
IZA Discussion Paper No. 29