USE OF A NETWORK DEA MODEL TO ASSESS COUNTRIES PARTICIPATING IN THE RIO 2016 OLYMPIC GAMES

Abstract

There are several studies that evaluate countries in the Olympics with DEA, but few with NDEA and, as far as we know, they do not
resemble the hybrid orientation model used in this study. This study uses a Network DEA model to assess the efficiency of the
countries that participated in the Rio 2016 Olympic Games. Population and GDP values were used as inputs, the number of athletes
were used as an intermediate variable and the number of medals won by each country were used as outputs. A two-dimensional
representation of the efficiency frontier was also developed to facilitate the interpretation of the results. Granada was the most
efficient country, while it was possible to observe, in general, the poor performance of countries that are well ranked in the
lexicographic method.