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Learn about the mathematical analysis of "collect all coupons and win" contests, also known as the cereal box problem. Find the expected number of trials, the limit distribution, and the generalizations of the problem.
Learn about the origin and evolution of coupons, from the first-ever coupon for a free glass of Coca-Cola in 1888 to the modern electronic and mobile coupons. Find out how coupons are used for marketing, pricing, and taxation purposes.
Extreme couponing is an activity that combines shopping skills with couponing in an attempt to save as much money as possible while accumulating the most groceries. The concept of "extreme couponers" was first mentioned by The Wall Street Journal on March 8, 2010, in an article entitled "Hard Times Turn Coupon Clipping Into the Newest Extreme Sport". [2]
Learn about the history and types of rationing in the US during World War I, World War II, and the 1973 oil crisis. Rationing is the controlled distribution of scarce resources, goods, or services, or an artificial restriction of demand.
Rationing had become the norm in the U.K., and the royal family was not exempt. Determined to get her dream dress, Elizabeth, who was just a princess at the time, saved up clothing coupons in ...
Groupon is an American company that connects subscribers with local merchants offering activities, travel, goods and services in 13 countries. Founded in 2008 by Andrew Mason, Groupon went public in 2011 and faced criticism over its accounting and cash payouts.
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