@article{EmrichGassmannPierdzioch_2017, title={Are forfeitures of Olympic medals predictable? : A test of the efficiency of the international anti-doping system}, author={Emrich, Eike and Gassmann, Freya and Pierdzioch, Christian}, issn={1545-2921}, doi={http://dx.doi.org/10.22028/D291-30694}, series={3}, volume={37}, pages={1620-1623}, publisher={University of Illinois}, journal={Economics bulletin : EB}, year={2017} }