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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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PERFECT COMPETITION, REALISM

Perfect competition is an idealized market structure that does NOT exist in the real world. While some real world industries might come relatively close to one or two of the four key characteristics of perfect competition, none matches all four sufficiently that they can be declared PERFECTLY competitively. Some industries come close on the large number of small firms and the identical product characteristics. A few industries have relatively good, although not perfect, information about prices and technology. However, almost all industries fall far short of the perfect mobility characteristics.

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YELLOW CHIPPEROON
[What's This?]

Today, you are likely to spend a great deal of time at a crowded estate auction looking to buy either a video game player or an AC adapter that won't fry your computer. Be on the lookout for the last item on a shelf.
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This isn't me! What am I?

In 1914, Ford paid workers who were age 22 or older $5 per day -- double the average wage offered by other car factories.
"Opportunities are usually disguised as hard work, so most people don't recognize them."

-- Ann Landers, columnist

IRR
Internal Rate of Return
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