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SIGNALLING: The use of low-cost, easy to obtain information about a product or commodity to indicate the quality of a product. Signalling occurs when buyers use features of a commodity or actions by the seller to indicate overall product quality. These signals can be either intended or unintended.

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MARGINAL REVENUE CURVE, PERFECT COMPETITION

A curve that graphically represents the relation between the marginal revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because a perfectly competitive firm is a price taker and faces a horizontal demand curve, its marginal revenue curve is also horizontal and coincides with its average revenue (and demand) curve. A perfectly competitive firm maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.

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Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either a birthday greeting card for your grandmother or a coffee cup commemorating yesterday. Be on the lookout for door-to-door salesmen.
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Lombard Street is London's equivalent of New York's Wall Street.
"Managing intellectual assets has become the single most important task of business. "

-- Thomas Stewart, author

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