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OLIGOPOLY: A market structure dominated by a small number of large firms, selling either identical or differentiated products, and significant barriers to entry into the industry. This is one of four basic market structures. The other three are perfect competition, monopoly, and monopolistic competition.

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SIGNALLING

When confronted by asymmetric information, the use of small bits of information, or indicators, that suggest more comprehensive information. Signalling is used by those with more information to reduce the cost of informing those with less information. It is commonly used in markets with adverse selection. Methods of signalling include advertising, brand names, and warranties. A related method is screening.

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APLS

BROWN PRAGMATOX
[What's This?]

Today, you are likely to spend a great deal of time searching for a specialty store hoping to buy either a birthday gift for your grandfather or a pleather CD case. Be on the lookout for poorly written technical manuals.
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This isn't me! What am I?

The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
"Failure is the opportunity to begin again, more intelligently. "

-- Henry Ford, automobile manufacturer

ROA
Return on Assets
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