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...

Lotto demand modeling typically focuses on a single game and evaluates whether estimated “effective price” (expected loss from buying one ticket) elasticity is consistent with net revenue maximization. However, a portfolio of several different lottery games is now usually offered to players...

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...