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REALISM OF PERFECT COMPETITION: 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 a one or two of the four key characteristics of perfect competition, none matches all four sufficiently that we can declare a perfectly competitively industry. 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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CHANGE IN QUANTITY SUPPLIED

A movement along a given supply curve caused by a change in supply price. The only factor that can cause a change in quantity supplied is price. A related, but distinct, concept is a change in supply.

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APLS

BEIGE MUNDORTLE
[What's This?]

Today, you are likely to spend a great deal of time browsing about a thrift store hoping to buy either a flower arrangement with a lot of roses for your grandmother or a wall poster commemorating the first day of winter. Be on the lookout for the last item on a shelf.
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This isn't me! What am I?

John Maynard Keynes was born the same year Karl Marx died.
"The man who does not read good books has no advantage over the man who cannot read them. "

-- Mark Twain

MPP
Marginal Physical Product
A PEDestrian's Guide
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