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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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MARGINAL ANALYSIS

A basic technique used in economics that analyzes small, incremental changes in key variables. Marginal analysis is the primary analytical approached used in the study of markets, production, consumption, business cycles, and economic policies. It not only reflects how most economic decisions are made, it also lends itself to mathematical and graphical analysis.

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Today, you are likely to spend a great deal of time searching the newspaper want ads hoping to buy either a pair of red and purple designer socks or a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for mail order catalogs with hidden messages.
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More money is spent on gardening than on any other hobby.
"Failure is a part of success. There is no such thing as a bed of roses all your life. But failure will never stand in the way of success if you learn from it. "

-- Hank Aaron, baseball player

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