7 IZA Discussion Papers
IZA Discussion Paper No. 14129
IZA Discussion Paper No. 9238
revised version published in: Economics of Education Review, 2018, 63, 154-166
IZA Discussion Paper No. 8766
published in: Applied Economics, 2016, 48 (54), 5314-5328
IZA Discussion Paper No. 6758
revision published in: Journal of Political Economy, 2016, 124 (3), 621-649
IZA Discussion Paper No. 5527
published in: Journal of Policy Analysis and Management, 2013, 32 (2), 323-350
IZA Discussion Paper No. 3515
published in: Economic Inquiry, 2008, 46 (3), 289-324
IZA Discussion Paper No. 3216
published in: Review of Economics and Statistics, 2010, 92 (2), 244-262