Wu, Jie; Liang, Liang; Chen, Yao - In: Omega 37 (2009) 4, pp. 909-918
A number of studies have used data envelopment analysis (DEA) to evaluate the performance of the countries in Olympic games. While competition exists among the countries in Olympic games/rankings, all these DEA studies do not model competition among peer decision making units (DMUs) or...