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PIGOUVIAN TAX: A tax on an external cost, such as pollution, designed to use market forces to achieve an efficient allocation of resources. A. C. Pigou, one of the first economists to study the market failure of externalities, is credited with developing this tax system for internalizing costs external to the market. An external cost caused by pollution, for example, can be internalized if polluters pay a tax equal to the value of the external cost.

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MONOPOLISTIC COMPETITION, EFFICIENCY

A monopolistically competitive firm generally produces less output and charges a higher price than would be the case for a perfectly competitive firm. In particular, the price charged by a monopolistically competitive firm is higher than the marginal cost of production, which violates the efficiency condition that price equals marginal cost. A monopolistically competitive firm is inefficient because it has market control and faces a negatively-sloped demand curve.

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Today, you are likely to spend a great deal of time searching for rummage sales looking to buy either a replacement remote control for your television or a replacement nozzle for your shower. Be on the lookout for malfunctioning pocket calculators.
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The average bank teller loses about $250 every year.
"Success without honor is an unseasoned dish; it will satisfy your hunger, but it won't taste good. "

-- Joe Paterno, Football coach

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