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ADVERTISING: Information provided about a product by a company to promote or maintain sales, revenue, and or profit. Advertising is often an explicit method of signalling that sellers use to provide information to buyers. The primary objective of advertising from the sellers perspective is to increase (or at least maintain) demand for a product. To accomplish this objective advertising provides buyers with two important types of information -- prices and product quality.

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OLIGOPOLY, CONCENTRATION

Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.

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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time surfing the Internet wanting to buy either pink cotton balls or a genuine down-filled comforter. Be on the lookout for crowded shopping malls.
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In the early 1900s around 300 automobile companies operated in the United States.
"No task is a long one but the task on which one dare not start: It becomes a nightmare. "

-- Charles Baudelaire, poet-critic

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