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KINKED-DEMAND CURVE ANALYSIS: An analysis that seeks to explain rigid oligopolistic prices using the kinked-demand curve. 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. The corresponding marginal revenue curve contains a vertical segment at the existing or initial quantity. Because a profit-maximizing oligopolistic firm equates marginal cost to marginal revenue, marginal cost also can take on a range of values at the existing quantity. In other words, marginal cost can increase or decrease without inducing a profit-maximizing oligopolistic firm to change price or quantity.

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MARKET FOR LEMONS

A market adversely selects only lower quality products for exchange. The market for lemons is an illustration of adverse selection that results from asymmetric information. In this market, because buyers have limited information they offer an average price based on the average quality of the goods. Sellers, however, with better information select to sell lower quality products but not higher quality ones. Two methods of address this problem are signalling and screening. Two related information problems are moral hazard and the principal-agent problem.

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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors seeking 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 cardboard boxes.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
"Don't waste your effort on a thing that results in a petty triumph unless you are satisfied with a life of petty issues. "

-- John D. Rockefeller, industrialist

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