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چکیده
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asia 2002 world cup and africa 2010 world cup show that people are more and more interested in football worldwide(3).in recent decades, football has changed into a multi-billion dollar industry and football federation statics show that there are more than 200 milion football players worldwide. football industry has occupied 3% of world trade. most sport are attractive because they are almost unpredictable.the more the competitiveness of league teams, the harder to predict the games and as result, that league will be more attractive. competitive balance refers to thebalance in sport capabilities of teams. the aim of this paper was to compare the competitive balace in football premier leagues of iran, England, Germany, Spain, France and Italy in 2009-2010 season. the data were secondray and collected from the final tables of premier leagues of those countries in 2009-2010 season. the five club concentration ratio (c5)and c5 index of competitive balance (C5ICB) were used to analyze the data. the less C5ICB results showed that the leagues were ranked (ranging from most balance toleast balance) as follows: iranpro league (129.60), Germany Bundesliga (135.37), French 1st league (138), Serie a, Italy (140), English premier league (148) and Primera Liga , Spain the least balance.
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