This detailed study by Cornell University shows that state lotteries get a disproportional amount of sales from the poor and disadvantaged and examines the reasons behind why those who have the least spend the most on the lottery. While it is for many a source of entertainment to play, the study finds that the real reason for this trend is that those stricken with poverty look to the lottery as a way to improve their lives and help them escape their poverty. However, the lottery will often hurt, not help, their financial predicament, further pushing these Americans deeper and deeper into a downward spiral of crippling poverty.

Cornell University study -Entertainment, Poverty and the Demand for State Lotteries