6 IZA Discussion Papers
IZA Discussion Paper No. 11688
IZA Discussion Paper No. 7846
published: Journal of Labor Economics, 2017, 35 (2), 519–564
IZA Discussion Paper No. 4978
published in: Journal of Public Economics, 2015, 127, 100–114
IZA Discussion Paper No. 4561
published in: American Economic Journal: Economic Policy, 2011, 3 (2), 97-129
IZA Discussion Paper No. 4504
published in: Journal of Public Economics, 2011, 95 (11-12), 1455-1465
IZA Discussion Paper No. 3188
published in: Journal of Public Economics, 2010, 94 (1-2), 30-43