Are purses restraining growth?

In 1953, the average cost of a Cola drink at a U.S. racetrack was around ten cents; the minimum bet on a race, two dollars. In 2007 the average cost of a Cola drink at a U.S. racetrack is around a dollar seventy-five; the cost of a bet, in most places, still two dollars.
Caton Bredar(19 May 2007 - Issue Number: 3 )