Lottery is a form of gambling in which people buy numbered tickets and are then given the chance to win a prize, usually cash. Some states regulate state-sponsored lotteries and give a portion of the profits to good causes. Other lottery games are privately operated. In either case, the odds are very slim.

The earliest known lotteries were organized in the Roman Empire. The winners were often given fancy dinnerware or other articles of unequal value, as was the custom in many of the feasts celebrated by the wealthy during Saturnalian revelries. Later, lottery-style games were sometimes used to raise money for the poor in the city of Rome, and then in other cities. In modern times, state governments sponsor lotteries to generate revenue for a variety of purposes, from public works projects to social welfare programs and tax reductions.

Merriam-Webster says that a lottery is “a drawing of lots in which prizes are distributed among persons buying a chance.” The modern word comes from the Dutch noun lot, meaning ‘fate’ or ’destiny.’ It is also derived from the Old English noun hlot, meaning ‘fate,’ and the French noun lot (meaning “a share”).

In the early post-World War II period, the proliferation of state lotteries was part of an effort to finance larger social safety nets without especially onerous taxes on middle-class and working-class citizens. But the era of cheap oil and other factors has made it harder for states to sustain these big social investments, and they’re turning to lotteries to make up the difference.

But there are several problems with relying on lotteries to fund a modern safety net. First, they create more gamblers. The advertising blitz for lotteries is geared to capturing the inextricable human impulse to play. And it reinforces the myth that winning the lottery will lead to instant riches. That’s a dangerous message in an age of inequality and limited social mobility.

Another problem with lotteries is that they’re often run by private corporations rather than state or local governments, and that means the companies don’t have to comply with the same consumer protection laws that govern other businesses. In addition, the profit margins on lotteries are higher than those of most other kinds of gambling.

There are other, better ways for states to generate the money they need to support their social safety nets. The answer may lie in regulating the types of gambling that can be conducted, not just the lotteries themselves. But that requires states to face up to the fact that the very nature of gambling is inherently addictive. And they must be willing to stop subsidizing a business that creates a demand for addiction.