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Competitive Balance in the NFL. Measuring Competition: HHI = (MS i ) 2 MS i = Market Share for a Team = (Wins for that team / # of League Games). Factors Affecting Competition. HHI = f (FA/SAL, EXPAN, EXPAN(1) STRIKE, PLAYER TALENT, HHI(-1))
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Competitive Balance in the NFL • Measuring Competition: HHI = (MSi)2 • MSi = Market Share for a Team = (Wins for that team / # of League Games)
Factors Affecting Competition • HHI = f (FA/SAL, EXPAN, EXPAN(1) STRIKE, PLAYER TALENT, HHI(-1)) • FA/SAL = Free Agency/ Salary Cap Year 1993 • EXPAN= Expansion Year • EXPAN (1) = Year after expansion • STRIKE = Strike Year • Player Talent Concentration
PLAYER TALENT = HHIPF + HHIPA • HHIPF = (Points Scoredi / Total Points Scored in the League)2 • HHIPA = (Points Scored Againsti / Total Points Scored Against in the League)2