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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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ELASTICITY ALTERNATIVES, DEMAND

Five categories of the price elasticity of demand that reflect the entire range of the relative responsiveness of a change in quantity demanded to a change in price. These five alternatives--perfectly elastic, relatively elastic, unit elastic, relatively inelastic, and perfectly inelastic--are often illustrated by different demand curves. The price elasticity of supply is also reflected by five comparable alternatives.

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RED AGGRESSERINE
[What's This?]

Today, you are likely to spend a great deal of time watching infomercials wanting to buy either a large red and white striped beach towel or a bottle of blackcherry flavored spring water. Be on the lookout for pencil sharpeners with an attitude.
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This isn't me! What am I?

A half gallon milk jug holds about $50 in pennies.
"The majority of men meet with failure because of their lack of persistence in creating new plans to take the place of those that fail. "

-- Napoleon Hill, author

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