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PERFECT COMPETITION CHARACTERISTICS: The four key characteristics of perfect competition are: (1) large number of small firms, (2) identical products sold by all firms, (3) freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology. These four characteristics mean that a given perfectly competitive firm is unable to exert any control whatsoever over the market.
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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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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads wanting to buy either a coffee cup commemorating the moon landing or a how-to book on surfing the Internet. Be on the lookout for defective microphones.
Your Complete Scope
This isn't me! What am I?
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"What we have done for ourselves alone dies with us; what we have done for others and the world remains and is immortal." -- Albert Pike
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LRD
Longitudinal Research Database
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