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PERFECT COMPETITION AND EFFICIENCY: Perfect competition is the idealized market structure that achieves an efficient allocation of resources. The conditions of perfect competition, including (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, ensure that perfect competition efficiently allocates resources. This is in fact the purpose of perfect competition: a market structure that illustrates perfection, the best of all possible resource allocation worlds. The real world falls short of this perfection.

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LAW OF COMPARATIVE ADVANTAGE

A principle that states that every nation, worker, or production entity has a production activity that incurs a lower opportunity cost than that of another nation, worker, or production entity, which means that trade between the two can be beneficial to both if each specializes in the production of a good with lower relative opportunity cost. This law is most often studied in the confines of international trade, but it also applies to labor and other types of production.

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APLS

ORANGE REBELOON
[What's This?]

Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for letters from the Internal Revenue Service.
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This isn't me! What am I?

The first paper notes printed in the United States were in denominations of 1 cent, 5 cents, 25 cents, and 50 cents.
"The road to success is always under construction. "

-- Lily Tomlin, Actress

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