In the case of football it could be argued that the purpose of clubs is to win the competitions in which they participate. However, the assessment of football clubs from the efficiency would be relevant in judging whether the results have been obtained without waste. The chosen sample is football teams who played in the Champions League from 2003 to 2007 and the method of calculating the efficiency will be both the traditional version of the DEA as well as the version proposed by Andersen and Petersen (1993), which allows discrimination among efficient units.
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