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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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WANTS

The psychological desires which make life just a little more enjoyable, but which are not biological necessities for life. Psychological wants are often contrasted with physiological needs that make life more enjoyable, but are not essential for existence.

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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway wanting to buy either one of those "hang in there" kitty cat posters or a velvet painting of Elvis Presley. Be on the lookout for letters from the Internal Revenue Service.
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This isn't me! What am I?

A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
"Concentration is the secret of strength in politics, in war, in trade, in short in all management of human affairs. "

-- Ralph Waldo Emerson, philosopher, poet

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International Economic Review
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