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LERNER INDEX: The difference between price (p) and marginal cost (mc) as a fraction of price, that is [p-mc]/p. The Lerner index is usually taken as an indicator of market power because the larger the index, the larger the difference between price and marginal cost, that is, the larger the distance between the price and the competitive price. The Lerner index depends on the elasticity of demand. The Lerner index is also called the price-cost margin.
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PRODUCT DIFFERENTIATION Slight differences that exist between two or more goods that are essentially the same and which satisfy the same basic want or need. This is generally pursued in monopolistic competition and oligopoly by firms seeking to increase sales and profit. Many of the best known businesses in the economy practice product differentiation to gain an advantage on the competition and to acquire a bit of market control. For example, Coca-Cola and Pepsi-Cola are very similar, but each has a few differences in terms of taste, packaging, and esteem.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club seeking to buy either a rechargeable battery for your computer or shoe laces for your snow boots. Be on the lookout for jovial bank tellers.
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This isn't me! What am I?
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The New York Stock Exchange was established by a group of investors in New York City in 1817 under a buttonwood tree at the end of a little road named Wall Street.
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"Do something wonderful; people may imitate it. " -- Albert Schweitzer, theologian, physician
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AR(N)
A nth-order Autoregressive Process
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