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MARKET STRUCTURE: The manner in which a market is organized, based largely on the number of firms in the industry. The four basic market structure models are: perfect competition, monopoly, monopolistic competition, and oligopoly. The primary difference between each is the number of firms on the supply side of a market. Both perfect competition and monopolistic competition have a large number of relatively small firms selling output. Oligopoly has a small number of relatively large firms. And monopoly has a single firm.
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KEYNESIAN MODEL A macroeconomic model based on the principles of Keynesian economics that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. This model identifies equilibrium aggregate production and income as the intersection of the aggregate expenditures line and the 45-degree line. The Keynesian model comes in three basic variations designated by the number of macroeconomic sectors included--two-sector, three-sector, and four sector. The Keynesian model is also commonly presented in the form of injections and leakages in addition to the standard aggregate expenditures format. This model is used to analyze several important topics and issues, including multipliers, business cycles, fiscal policy, and monetary policy.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a replacement battery for your pocket calculator or a how-to book on home remodeling. Be on the lookout for strangers with large satchels of used undergarments.
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This isn't me! What am I?
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Three-forths of the gold mined each year is used to manufacture jewelry.
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"The greatest things ever done on Earth have been done little by little. " -- William Jennings Bryan
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HIP
Health Insurance Plan
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