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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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MACROECONOMIC SECTORS

The four aggregate sectors of the macroeconomy--household, business, government, and foreign--that reflect four key macroeconomic functions and are responsible for four expenditures on gross domestic product. These four sectors are the primary "actors" on the macroeconomic stage. Macroeconomic theories then explain macroeconomic phenomena by exploring the interaction among these four sectors.

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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time searching the newspaper want ads trying to buy either a coffee cup commemorating the first day of winter or a video game player. Be on the lookout for high interest rates.
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Natural gas has no odor. The smell is added artificially so that leaks can be detected.
"Nothing is a waste of time if you use the experience wisely. "

-- Auguste Rodin, Sculptor

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