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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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FACTOR DEMAND ELASTICITY The elasticity of a factor demand curve is affected by four items: (1) the price elasticity of demand for the good produced, (2) the production function technology and elasticity of marginal physical product, (3) the ease of factor substitutability, and (4) the share of the factor's cost relative to total cost. Changes in any of these four items cause the price elasticity of factor demand to change. In other words, the quantity of factor services demanded becomes more or less sensitive to changes in the factor price.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time searching for a specialty store looking to buy either a printer that works with your stockpile of ink cartridges or income tax software. Be on the lookout for telephone calls from former employers.
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The average bank teller loses about $250 every year.
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"Give the American people a good cause, and there's nothing they can't lick. " -- John Wayne, actor
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PO
Pareto Optimal
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