Sutter, Matthias Max Planck Institute for Research on Collective Goods, Max Planck Society;
http://pubsonline.informs.org/doi/abs/10.1287/mnsc.2014.1981 (Any fulltext)
Sutter, M., & Glätzle-Rützler, D. (2015). Gender differences in the willingness to compete emerge early in life and persist. Management science, 61(10), 2339-2354.