Efficiency of Football Clubs in Poland
This article evaluates the diversity in the level of efficiency of football clubs which played matches in the top-level football league in Poland in the 2014/2015 season - the Polish First Division (Ekstraklasa). The efficiency was measured with the use of the non-parametric method of frontier data analysis (DEA - Data Envelopment Analysis). The results of the measurement indicate that the efficiency of the Polish First Division is varies widely. More than one-third of clubs (inefficient ones) incur excessively high expenditures (salaries) in relation to the actually produced output. The study found that the technology of efficient clubs is based, first of all, on generating much higher revenues in relation to the players' salary costs. This allows the efficient clubs to more effectively (in comparison to non-efficient clubs) convert their input into output. Identifying the differences in efficiency using established benchmarking factors resulted in determining the optimum input levels for inefficient clubs and indicating the clubs where activities to improve efficiency should be undertaken. The result of the research is an efficiency ranking order for the football clubs covered by the analysis.
Keywords:data envelopment analysis DEA, technical efficiency, sport clubs
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