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November 6, 2026 

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BAR CHART: A graph containing a set of vertical or horizontal "bars" that are used to present data for discrete categories. A bar chart provides a useful way to compare information about different groups or categories.

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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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PURPLE SMARPHIN
[What's This?]

Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either a weathervane with a horse on top or a case of blank recordable DVDs. Be on the lookout for the last item on a shelf.
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The average bank teller loses about $250 every year.
"There is no twilight zone of honesty in business. A thing is right or it's wrong. It's black or it's white. "

-- John F. Dodge, automaker

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