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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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SCARCE RESOURCES

Labor, capital, land, and entrepreneurship used by society to produce consumer satisfying goods and services. Scarce resources, also termed just resources, are often given the more descriptive term factors of production.

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Today, you are likely to spend a great deal of time driving to a factory outlet trying to buy either a how-to book on fixing your computer, with illustrations or several magazines on computer software. Be on the lookout for the happiest person in the room.
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Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"The purpose of learning is growth, and our minds, unlike our bodies, can continue growing as long as we live."

-- Mortimer Adler

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