I examine outcome predictability in the National Football League totals betting market using data from the 1984 through 2004 seasons. Results suggest that while weather is an important determinant of scoring, the market does not accurately incorporate the effects of adverse conditions into...

We test price efficiency in the NFL point spread betting market by examining the relationship between betting line forecast errors and game day temperatures for 5,463 NFL games from 1981 to 2004. Our main contribution to the existing literature is the identification of a mispriced...

We examine 330,857 trades of prediction market contracts, the values of which are based on against-the-spread outcomes of NFL games, and find the presence of a significant reverse favourite-longshot bias. Surprisingly, the timing of this bias is identical to that observed in traditional...

We examine whether point shaving is widespread in NCAA college basketball by comparing bet and game outcomes with those in professional sports. Results suggest that unusual patterns previously suspected to be indicators of point shaving are ubiquitous throughout sports and unlikely to be caused...