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VARIABLE: A quantity, usually represented as a symbol, that can take on one of a set of values. Variables play a key role in the scientific method and economic analysis. A major task undertaken by the study of economics is to identify the specific value of variables such as price, quantity, unemployment, production, wages, income, among a host of others. This often accomplished using assorted models, such as the market model.
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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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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store hoping to buy either a large flower pot shaped like a Greek urn or a small palm tree that will fit on your coffee table. Be on the lookout for defective microphones.
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Two and a half gallons of oil are needed to produce one automobile tire.
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"One person with a belief is equal to a force of ninety-nine with only interests." -- John Stuart Mill
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GAB
General Agreements to Borrow
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