6 IZA Discussion Papers
IZA Discussion Paper No. 14857
IZA Discussion Paper No. 14259
IZA Discussion Paper No. 7519
published in: Journal of Sports Economics, 2015, 16 (5) 482-507
IZA Discussion Paper No. 3834
published in: Economic Inquiry, 2015, 53(1), 714-730
IZA Discussion Paper No. 1882
published in: Journal of Human Resources, 2006, 41(3), 558-577
IZA Discussion Paper No. 1843
published in: Journal of Sports Economics, 2008, 9 (1), 3-19