6 IZA Discussion Papers
IZA Discussion Paper No. 13886
IZA Discussion Paper No. 13148
IZA Discussion Paper No. 6798
published in: National Tax Journal, 2012, 65, 1069-92
IZA Discussion Paper No. 5177
published in: American Economic Journal: Economic Policy, 2014, 6 (1) 167 - 192
IZA Discussion Paper No. 2626
published in:Canadian Journal of Economics / Revue canadienne d'économique, 2010, 43 (3), 832-859
IZA Discussion Paper No. 547