We analyze the formation of rival leagues in professional team sports, one of the least studied forms of competition in sport. We survey the economic history of professional sports leagues in North America and develop stylized facts about rival league formation and develop a game-theoretic model...

We test the predictions of tournament theory using data from competitions in the FIS Alpine Skiing World Cup. Based on data from more than 60 Giant Slalom and Downhill events held over the period 2001-2010, female professional Alpine skiers respond to tournament incentives; times in both events...

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...

Previous research using attendance-based proxies for the number of investors with sentiment bias supported the presence of investor sentiment in sports betting markets. We use data from social media (Facebook \Likes") to proxy for participants with investor sentiment and analyze variation in...