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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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BARRIERS TO ENTRY Institutional, government, technological, or economic restrictions on the entry of participants into a market or industry. The four primary barriers to entry are: (1) resource ownership, (2) patents and copyrights, (3) government restrictions, and (2) start-up cost. Barriers to entry are a key reason for market control and the inefficiency that results. 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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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time looking for a downtown retail store trying to buy either a genuine down-filled snow parka or throw pillows for your living room sofa. Be on the lookout for cardboard boxes.
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This isn't me! What am I?
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Natural gas has no odor. The smell is added artificially so that leaks can be detected.
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"The art of leadership is saying no, not yes. It is very easy to say yes. " -- Tony Blair, British prime minister
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TVC
Total Variable Cost
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