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PERFECT COMPETITION, LONG-RUN PRODUCTION ANALYSIS: In the long run, a perfectly competitive firm adjusts plant size, or the quantity of capital, to maximize long-run profit. In addition, the entry and exit of firms into and out of a perfectly competitive market guarantees that each perfectly competitive firm earns nothing more or less than a normal profit. As a perfectly competitive industry reacts to changes in demand, it traces out positive, negative, or horizontal long-run supply curve due to increasing, decreasing, or constant cost.
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KINKED-DEMAND CURVE ANALYSIS An analysis using the kinked-demand curve to explain rigid prices often found with oligopoly. The kinked-demand curve contains two distinct segments--one for higher prices that is more elastic and one for lower prices that is less elastic. Key to this analysis is that the corresponding marginal revenue curve contains three segments--one associated with the more elastic segment, one associated with the less elastic segment, and one associated with the kink. A profit-maximizing firm can then equate marginal cost to a wide range of marginal revenue values along the vertical segment of the marginal revenue curve. This suggests that marginal cost must change significantly before an oligopolistic firm is inclined to change price.
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PINK FADFLY
[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 how-to book on wine tasting or a bookshelf that will fit in your closet. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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"In a decisive set, confidence is the difference. " -- Chris Evert, tennis champion
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Durbin-Watson
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