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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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OLIGOPOLY, CHARACTERISTICS

The three most important characteristics of oligopoly are: (1) an industry dominated by a small number of large firms, (2) firms sell either identical or differentiated products, and (3) the industry has significant barriers to entry.

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APLS

WHITE GULLIBON
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Today, you are likely to spend a great deal of time strolling through a department store looking to buy either a replacement nozzle for your shower or a decorative windchime with plastic . Be on the lookout for infected paper cuts.
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A half gallon milk jug holds about $50 in pennies.
"Plans are only good intentions unless they immediately degenerate into hard work."

-- Peter Drucker, management consultant

IJIO
International Journal of Industrial Organization
A PEDestrian's Guide
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