5 IZA Discussion Papers
IZA Discussion Paper No. 15965
IZA Discussion Paper No. 10983
published in:International Journal of Economics and Finance, 2020, 12 (2),1-22
IZA Discussion Paper No. 8105
published in: Journal of Sports Economics, 2018, 19 (4), 562-582
IZA Discussion Paper No. 6628
revised version published in: Review of World Economics, 2014, 150 (3), 557-594
IZA Discussion Paper No. 6060
published in: Journal of Human Capital, 2011, 5 (3), 255-301