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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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TOTAL UTILITY

The total satisfaction of wants and needs obtained from the use or consumption of a good or service. This is the cumulative amount of utility generated from consuming a good over a given time period. Total utility is most often used in consumer demand theory to indicate how much overall satisfaction someone obtains from a given activity. The primary behavioral motivation used in consumer demand theory is the goal of maximizing total utility. Total utility is also used to derive marginal utility.

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Today, you are likely to spend a great deal of time searching for rummage sales seeking to buy either a flower arrangement with anything but tulips for your grandfather or a birthday greeting card for your mother that doesn't look like a greeting card. Be on the lookout for vindictive digital clocks with revenge on their minds.
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The first paper currency used in North America was pasteboard playing cards "temporarily" authorized as money by the colonial governor of French Canada, awaiting "real money" from France.
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