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ENTRY BARRIERS: Institutional, government, technological, or economic restrictions 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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AGGREGATE EXPENDITURES EQUATION An equation that summarizes the four aggregate expenditures on gross domestic product by the four macroeconomic sectors. In the study of Keynesian economics, this equation is commonly used to summarize the demand side of the macroeconomy. The aggregate expenditures equation actually comes in three different versions depending on how many of the four sectors and their expenditures are included.
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YELLOW CHIPPEROON
[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 handcrafted decorations to hang on your walls or throw pillows for your bed. Be on the lookout for cardboard boxes.
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This isn't me! What am I?
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Lombard Street is London's equivalent of New York's Wall Street.
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"Anything's possible. You can be told you have a 90% chance or a 50% chance or a 1% chance, but you have to believe, and you have to fight. " -- Lance Armstrong, cyclist
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BACS
Bankers Automated Clearing Services
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