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ELASTIC: In general, if changes in variable A cause changes in variable B, then the relative change in B is greater than the relative change in A. In other words, small changes in variable A cause relatively larger changes in variable B. An elastic relationship between two variables is a very responsive, or stretchable, relationship. You should compare elastic with inelastic.

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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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APLS

WHITE GULLIBON
[What's This?]

Today, you are likely to spend a great deal of time searching the newspaper want ads seeking to buy either a remote controlled ceiling fan or a how-to book on home decorating. Be on the lookout for rusty deck screws.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
"Ships are safe in harbor. But that is not what ships are for."

-- Anonymous

LRAC
Long Run Average Cost
A PEDestrian's Guide
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