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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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GOVERNMENT FUNCTIONS

Resource allocation activities that are more efficiently performed using the coercive government powers of taxation, spending, and regulatory authority than by private sector market exchanges. The most noted activities are (1) common defense; (2) education; (3) transportation; (4) public health and safety; (5) legal and judicial system; and (6) money.

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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors looking to buy either an AC adapter for your CD player or storage boxes for your family photos. Be on the lookout for infected paper cuts.
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
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