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MARGINAL REVENUE, PERFECT COMPETITION: The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a perfectly competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a perfectly competitive firm equates marginal revenue and marginal cost.

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GROSS DOMESTIC PRODUCT, WELFARE

Gross domestic product (GDP) is the total market value of all goods and services produced within the political boundaries of an economy during a given period of time, usually one year. GDP is intended to measure the nation's production of wants-and-needs satisfying goods and services. While it provides an indication of how far the economy has come on the long road to battling the ever-present scarcity problem, it is NOT a direct measure of the nation's welfare or well-being. GDP is certainly a big component of the well-being of the country, but not the ONLY component.

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Today, you are likely to spend a great deal of time at a crowded estate auction looking to buy either a large red and white striped beach towel or a bottle of blackcherry flavored spring water. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
"Nothing ever built arose to touch the skies unless some man dreamed that it should, some man believed that it could, and some man willed that it must. "

-- Charles Kettering, inventor

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