324 IZA Discussion Papers
IZA Discussion Paper No. 1195
published in: International Tax and Public Finance, 2007, 14 (1), 7-27
IZA Discussion Paper No. 834
IZA Discussion Paper No. 547
IZA Discussion Paper No. 234
published in: Schmollers Jahrbuch: Zeitschrift für Wirtschafts- und Sozialwissenschaften / Journal of Applied Social Science Studies, 2001, 121 (3), 53-406