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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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ECONOMICS OF UNCERTAINTY

The study of the role that uncertainty plays in the economy and in the allocation of resources, with special attention paid to the analysis of risk. Key topics in this area of study and analysis are risk preferences (aversion, neutrality, and loving) and the provision of insurance. This study of the economics of uncertainty is part of the broader study of the economics of information.

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Today, you are likely to spend a great deal of time at an auction trying to buy either a green and yellow striped sweater vest or a Boston Red Sox baseball cap. Be on the lookout for attractive cable television service repair people.
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Three-forths of the gold mined each year is used to manufacture jewelry.
"How we spend our days is, of course, how we spend our lives. "

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