We identify inefficiency in the National Football League (NFL) gambling market indicative of sticky preferences by bettors. NFL teams that qualified for the playoffs in the prior season are favoured by too large a margin in the opening week of the following season. Bettors view these teams as...

Popular wisdom regarding athletics is that offenses are at a relative disadvantage in the early portion of seasons. The authors present evidence that this anecdotal belief holds true over the 2000-2010 National Football League (NFL) seasons. This is reflected in lower offensive yardage, fewer...

Popular wisdom regarding athletics is that offenses are at a relative disadvantage in the early portion of seasons. We present evidence that this anecdotal belief holds true over the 2000-2010 National Football League (NFL) seasons. This is reflected in lower offensive yardage, fewer first...