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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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ABSTRACTION Simplifying the complexities of the real world by ignoring (hopefully) unimportant details while doing economic analysis. Abstraction is an essential feature of the scientific method. Hypothesis verification, model construction, and comparative static analysis are not possible without abstraction.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors seeking to buy either a wall poster commemorating the first day of winter or blue cotton balls. Be on the lookout for celebrities who speak directly to you through your television.
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The average bank teller loses about $250 every year.
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"Leadership is based on inspiration, not domination; on cooperation, not intimidation. " -- William A. Ward
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EBIT
Earnings Before Interest and Taxes
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