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BARRIER TO ENTRY: An institutional, government, technological, or economic restriction on the entry of firms into a market or industry. The four primary barriers to entry are: resource ownership, patents and copyrights, government restrictions, and start-up costs. Barriers to entry are a key reason for market control and the inefficiency that this generates. In particular, monopoly, oligopoly, monopsony, and oligopsony often owe their market control to assorted barriers to entry. By way of contrast, perfect competition, monopolistic competition, and monopsonistic competition have few if any barriers to entry and thus little or no market control.

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KEYNESIAN AGGREGATE SUPPLY CURVE

An aggregate supply curve--a graphical representation of the relation between real production and the price level--that reflects the basic principles of Keynesian economics. The Keynesian aggregate supply curve actually comes in two versions. The basic version is reverse-L shaped, with a horizontal segment connected to a vertical segment at a sharp corner. The modified version is also reverse-L shaped, but the vertical and horizontal segments have positive slopes and connecting corner is rounded. An alternative is the classical aggregate supply curve.

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APLS

BLACK DISMALAPOD
[What's This?]

Today, you are likely to spend a great deal of time searching the newspaper want ads hoping to buy either a pair of leather sandals that won't cause blisters or clothing for your kitty cats. Be on the lookout for small children selling products door-to-door.
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Sixty percent of big-firm executives said the cover letter is as important or more important than the resume itself when you're looking for a new job
"The truth of the matter is that you always know the right thing to do. The hard part is doing it."

-- Norman Schwarzkopf, US Army general

PVCF
Present Value Cash Flow
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