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INDUCED EXPENDITURE: An aggregate expenditure (consumption, investment, government purchases, and net exports) that depends on national income or gross domestic product. These four aggregate expenditures are conveniently separated into two types, induced, which is our current topic of expenditures unrelated to national income or GDP, and autonomous expenditures, expenditures which are unrelated to national income or GDP. Induced expenditures are graphically depicted as the slope of the aggregate expenditures line, and depend in large part on the marginal propensity to consume. The induced relation between income and expenditures form the foundation of the multiplier effect triggered by changes in autonomous expenditures.
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ASSUMPTIONS, CLASSICAL ECONOMICS Classical economics, especially as directed toward macroeconomics, relies on three key assumptions--flexible prices, Say's law, and saving-investment equality. Flexible prices ensure that markets adjust to equilibrium and eliminate shortages and surpluses. Say's law states that supply creates its own demand and means that enough income is generated by production to purchase the resulting production. The saving-investment equality ensures that any income leaked from consumption into saving is replaced by an equal amount of investment. Although of questionable realism, these three assumptions imply that the economy would operate at full employment.
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PURPLE SMARPHIN
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Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius wanting to buy either decorative picture frames or storage boxes for your income tax returns. Be on the lookout for neighborhood pets, especially belligerent parrots.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
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"To sit back and let fate play its hand out, and never influence it, is not the way man was meant to operate." -- John Glenn, astronaut, U.S. senator
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TIFFE
Tokyo International Financial Futures Exchange (Japan)
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