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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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PRICE ELASTICITY OF DEMAND The relative response of a change in quantity demanded to a change in price. More specifically the price elasticity of demand is the percentage change in quantity demanded due to a percentage change in price. This notion of elasticity captures the demand side of the market. A comparable elasticity on the supply side is the price elasticity of supply. Other notable demand elasticities are income elasticity of demand and cross elasticity of demand.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors trying to buy either a country wreathe or galvanized steel storage shelves. Be on the lookout for attractive cable television service repair people.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"The moment you let avoiding failure become your motivator, you're down the path of inactivity. " -- Roberto Goizueta, Coca-Cola CEO
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NELS
National Educational Longitudinal Survey
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