Evidence of bettors’ belief in the “Hot Hand” -- bettors believing teams on winning streaks will continue winning -- exists in the NBA but not the NFL. Previous research assumed that book makers set point spreads to balance betting on games. Recent research shows imbalanced betting in most...

Previous research on point spread betting assumed that bookmakers attract an equal volume of bets on either side of games in order to maximize profits. This paper examines the viability of this assumption from a theoretical and empirical perspective. The model of bookmaker behavior developed...

We develop evidence of bettors with sentiment bias in the betting market on National Basketball Association (NBA) games. We use novel measures of team popularity, arena capacity-utilization and team all star votes received, as proxies for the presence of biased investors. Analysis of point...