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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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Lesson 10: Gross Domestic Product | Unit 5: Issues
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Page: 23 of 25
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The study of gross domestic product is important for at least for two reasons.- First, Scarcity. Real GDP indicates how well the economy is addressing the economic problem of scarcity.
- Second, Stability. Real GDP is a key measurement for analyzing economic instability and business cycles.
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HERFINDAHL INDEX A measure of concentration of the production in an industry calculated as the sum of the squares of market shares for each firm. This is one method of summarizing the degree to which an industry is oligopolistic and the concentration of market control held by the largest firms in the industry. Two other measures of industry concentration are the four-firm concentration ratio and the eight-firm concentration ratio.
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BEIGE MUNDORTLE
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store hoping to buy either blue cotton balls or a genuine down-filled pillow. Be on the lookout for celebrities who speak directly to you through your television.
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On a typical day, the United States Mint produces over $1 million worth of dimes.
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"Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations. " -- Steve Jobs, Apple Computer founder
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FRB
Federal Reserve Board
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