4 IZA Discussion Papers
IZA Discussion Paper No. 12919
IZA Discussion Paper No. 10410
published in: American Economic Journal: Microeconomics, 2019, 11 (4), 59-78
IZA Discussion Paper No. 8218
Revised version published in: Journal of Public Economics, 2015, 126, 74-85
IZA Discussion Paper No. 4303
published in: Games and Economic Behavior, 2013, 77 (1), 122-137