In February, 2005 the Spanish National Lottery Agency (LAE) made several modifications to the design of one of its lotto games. The entry fee was not changed but the familiar 6/49 format was replaced by 5/54 + 1/10. This considerably lengthened the odds against winning a share of the grand...

Currently, several proposed changes in sports betting laws are being debated in the United States and the European Union. This article examines the characteristics of sports bettors in three countries, Canada, Spain, and the United Kingdom, to determine who bets on sports in environments where...

Anecdotal evidence indicates that many people pool funds to purchase lottery tickets. We investigate the characteristics of such syndicated lottery play in Spain. The results indicate that the method of play, and the characteristics of syndicate members, exhibits significant heterogeneity across...

The concept of rational expectations has typically been assumed, without testing, in the analysis of consumer demand and market efficiency in betting markets, including betting on lottery games. Lottery games offer an excellent opportunity to test how participants process the information that is...