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INSTITUTION: An established method or way of doing something that's widely accepted throughout society. Common institutions include marriage, markets, high school football in the fall, government, and Christmas gift-giving. Institutions provide the rules and guidelines needed to carry out the day-to-day activities of our lives. Institutions provide the crucial structure of a society and the framework within which economic activity takes place. Without institution structure, anarchy would prevail. With the rules, though, come rigidities that can prevent resources from being allocated efficiently.

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MARGINAL COST AND LAW OF DIMINISHING MARGINAL RETURNS

Decreasing then increasing marginal cost, reflected by a U-shaped marginal cost curve, is the result of increasing then decreasing marginal returns. In particular the decreasing marginal returns is caused by the law of diminishing marginal returns. As such, the law of diminishing marginal returns affects not only the short-run production of a firm but also the cost of short-run production. This translates into a positively-sloped supply curve for profit-maximizing competitive firms.

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Today, you are likely to spend a great deal of time at a crowded estate auction trying to buy either a coffee cup commemorating the first day of spring or a printer that works with your stockpile of ink cartridges. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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Lombard Street is London's equivalent of New York's Wall Street.
"My motto was always to keep swinging. Whether I was in a slump or feeling badly or having trouble off the field, the only thing to do was keep swinging. "

-- Hank Aaron, baseball player

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