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PERFECT COMPETITION, SHORT-RUN PRODUCTION ANALYSIS: A perfectly competitive firm produces the profit-maximizing quantity of output that equates marginal revenue and marginal cost. This production level can be identified using total revenue and cost, marginal revenue and cost, or profit. Because a perfectly competitive firm faces a perfectly elastic demand curve, it efficiently allocates resources by equating price and marginal cost. In addition, the marginal cost curve above the average variable cost curve is the perfectly competitive firm's short-run supply curve.
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VARIABLE INPUT An input whose quantity can be changed in the time period under consideration. The most common example of a variable input is labor. Variable inputs provide the means used by a firm to control short-run production. The alternative to variable input is fixed input. A fixed input, like capital, provides the capacity constraint in production. As larger quantities of a variable input, like labor, are added to a fixed input like capital, the variable input becomes less productive, which is the law of diminishing marginal returns.
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GREEN LOGIGUIN [What's This?]
Today, you are likely to spend a great deal of time touring the new suburban shopping complex seeking to buy either a set of luggage with wheels or a birthday gift for your aunt. Be on the lookout for telephone calls from former employers. Your Complete Scope
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The average length of a "business lunch" is about 36 minutes.
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"Most human beings have an almost infinite capacity for taking things for granted. " -- Aldous Huxley, writer
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