Forrest, David; Perez, Levi; Baker, Rose - In: Journal of Gambling Business and Economics 4 (2010) 2, pp. 1-19
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...
