Online sports betting is growing rapidly around the world. We describe how the competitive structure of the bookmaking market affects odds when bettors disagree about the probabilities of the outcomes of sporting events but are on average correct. We show that the demand for bets on longshots is...

If betting markets are efficient, then the expected loss rate on all bets on a game can be calculated from the quoted odds. Guides to sports betting tell bettors how to do this calculation of the predicted average loss rate. We show that if bookmakers set higher profit margins for bets with...

Introduction – 1. Gambling markets in the EU - An overview – 2. The Liga Portuguesa decision – 3. Some considerations from an economist’s point of view

Sport betting is in Germany, like other public lotteries, strictly regulated as a state monopoly. This state monopoly has been declared as an illegitimate fiscal monopoly by the German Supreme Court (Bundesverfassungsgericht) in March 2006. Following this sentence, a state monopoly in future has...

A number of methods have been proposed for predicting game winners in the National Collegiate Athletic Association's (NCAA) annual men's college basketball championship tournament. Since 1985, more than 70% of the teams in the fourth, fifth, and sixth rounds of the tournament have been...

Tests of the totals (Over/Under) market are performed for 22 European Soccer Leagues to determine if the behavioral biases found in North American sports betting markets are present in European Football (Soccer) betting markets. Even though European fans passionately follow a low-scoring sport,...

In sports betting markets, bets on favorites tend to have a higher expected value than bets on longshots. This article uses a data set of almost 45,000 professional single tennis matches to show that the favorite-longshot bias is much stronger in matches between lower-ranked players, in...

In this paper the betting on baseball games from April 8, 1987 to May 12, 1987 attributed to Pete Rose in the Dowd Report to the Commissioner of Baseball is analyzed. The results show Rose lost $4,200 betting on the Cincinnati Reds, the team which he managed; $36,000 betting on other teams in the...

Manipulation of on-field events for betting gain appears to be a growing problem in football and other sports. It can be linked to developments in the betting environment and is a potential threat to the football industry to the extent that it may deter fans, sponsors, and broadcasters from...

We use novel data on individual activity in a sports betting market to study the effect of past performance sequences on individual behavior in a real market. The revelation of fundamental values in this market enables us to disentangle whether behavior is caused by sentiment or by superior...