4 IZA Discussion Papers
IZA Discussion Paper No. 16643
IZA Discussion Paper No. 12326
revised version published in: Journal of Public Economics, 2022, 208, 104629
IZA Discussion Paper No. 5219
revised version published in: Journal of Comparative Economics, 2013, 41 (3), 789-803
IZA Discussion Paper No. 2154
published in: Journal of Comparative Economics, 2009, 37 (2), 251-269