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PERFECT COMPETITION CHARACTERISTICS: The four key characteristics of perfect competition are: (1) large number of small firms, (2) identical products sold by all firms, (3) freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology. These four characteristics mean that a given perfectly competitive firm is unable to exert any control whatsoever over the market.

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MARGINAL REVENUE CURVE, MONOPOLY

A curve that graphically represents the relation between the marginal revenue received by a monopoly for selling its output and the quantity of output sold. Because a monopoly is a price maker and faces a negatively-sloped demand curve, its marginal revenue curve is also negatively sloped and lies below its average revenue (and demand) curve. A monopoly maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.

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APLS

BLACK DISMALAPOD
[What's This?]

Today, you are likely to spend a great deal of time at an auction wanting to buy either decorative picture frames or storage boxes for your income tax returns. Be on the lookout for rusty deck screws.
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This isn't me! What am I?

A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
"In a time of drastic change, it is the learners who inherit the future. "

-- Eric Hoffer, philosopher

ECLA
Economic Commission for Latin America
A PEDestrian's Guide
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