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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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SEVEN ECONOMIC RULES

A set of seven fundamental notions that reflect the study of economics and how the economy operates. They are: (1) scarcity, (2) subjectivity, (3) inequality, (4) competition, (5) imperfection, (6) ignorance, and (7) complexity.

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Today, you are likely to spend a great deal of time going from convenience store to convenience store hoping to buy either a set of hubcaps or handcrafted decorations to hang on your walls. Be on the lookout for small children selling products door-to-door.
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The word "fiscal" is derived from a Latin word meaning "moneybag."
"Time is the scarcest resource, and unless it is managed nothing else can be managed."

-- Peter F. Drucker

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