Towards fair ranking of olympics achievements: the case of Sydney 2000
Computers and Operations Research
Decision's problem with the help of imprecise data envelopment analysis (IDEA)
ICS'05 Proceedings of the 9th WSEAS International Conference on Systems
DEA advanced models for geometric evaluation of used lathes
WSEAS TRANSACTIONS on SYSTEMS
Applying DEA and PLS path modeling for efficiency evaluation
WSEAS TRANSACTIONS on SYSTEMS
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There is no official method to establish a final ranking for the Olympic Games. The usual ranking is based on the Lexicographic Multicriteria Method, the main drawback of which is to overvalue gold medals. Furthermore, it does not take into account the results of the Winter Games, which are also part of the Olympic Games. This paper proposes a method based on DEA, in which the outputs are the number of all three medals (gold, silver and bronze) that each country won at both the Salt Lake City and Sydney games; a constant input is considered for all countries. Theoretical aspects of this model are explained hereinbelow. Restrictions based on the importance of each medal are defined for this model. A weight average for each output, based on a modified Cross Evaluation model, is developed and is used as the coefficient in the weighted sum that establishes the final ranking.