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ENTRY BARRIER: 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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SCIENTIFIC METHOD

A structured way of investigating and explaining the operation of the world by testing and verifying hypothesized relations. The scientific method is a process of discovery, a method of explaining the way the world operates. Positive economics is the application of the scientific method to economic analysis.

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BROWN PRAGMATOX
[What's This?]

Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either any book written by Isaac Asimov or a how-to book on building remote controlled airplanes. Be on the lookout for the last item on a shelf.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
"The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will. "

-- Vince Lombardi

NAG
Net Annual Gain
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