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DERIVATION, AGGREGATE EXPENDITURES LINE: An aggregate expenditures line, a graphical depiction of the relation between aggregate expenditures and the level of aggregate income or production, can be derived by sequentially adding expenditures by the four macroeconomic sectors (household, business, government, and foreign). This derivation process begins with the consumption line, then adds investment, government purchases, and finally net exports. The process actually generates three alternative aggregate expenditures lines based on the number of sectors included (two sector, three sector, and four sector).

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Lesson 20: Federal Reserve System | Unit 2: What It Does Page: 6 of 20

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  • That the Fed is the entity responsible for ensuring that the economy has the proper amount of money.
  • The two reasons for controlling the money supply: (a) to avoid inflation and recession and (b) to ensure the value of money.
  • That when the United States did not have a central bank, the economy experienced periods of turmoil.
  • That the Federal Reserve System, established 1913, although not perfect, has helped stabilize the economy.

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MONOPOLISTIC COMPETITION, EFFICIENCY

A monopolistically competitive firm generally produces less output and charges a higher price than would be the case for a perfectly competitive firm. In particular, the price charged by a monopolistically competitive firm is higher than the marginal cost of production, which violates the efficiency condition that price equals marginal cost. A monopolistically competitive firm is inefficient because it has market control and faces a negatively-sloped demand curve.

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RED AGGRESSERINE
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Today, you are likely to spend a great deal of time driving to a factory outlet trying to buy either rechargeable batteries or a rechargeable battery for your computer. Be on the lookout for neighborhood pets, especially belligerent parrots.
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This isn't me! What am I?

Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
"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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