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DEMAND ELASTICITY AND TOTAL EXPENDITURE: The notion that price-induced changes in total expenditure for a good (price times quantity) depends on the relative price elasticity of demand. In particular, for relatively elastic demand (1 < E < ∞) changes in price cause total expenditure to change in the opposite direction. An increase in price causes total expenditure to fall and a decrease in price causes total expenditure to rise. For relatively inelastic demand (0 < E < 1) changes in price cause total expenditure to change in the same direction. An increase in price causes total expenditure to rise and a decrease in price causes total expenditure to fall. For unit elastic demand (E =1) price changes do not cause any change in total expenditure. Total expenditure is the same whether price increases or decreases.
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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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Fighting Business Cycles With STABILIZATION POLICIESAs you may recall, the twins, Donna the Democrat and Rhonda the Republican, seldom agree on anything involving politics, economics, fashion, or flower arrangements. Their imminent entry into the Interstate OmniBank can only mean trouble. Donna, in her official capacity as economic advisor to the President of the quaint and courteous Republic of Northwest Queoldiola, is attempting to enter Interstate OmniBank anxious to borrow enough to finance the Queoldiolan government deficit. Rhonda, as the head of the central bank of the Republic of Northwest Queoldiola, is making every effort to stop her. The source of this particular confrontation between the twins is apparently the best way to eliminate a year-long recession that has struck the quaint and courteous Republic of Northwest Queoldiola.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either a genuine down-filled pillow or one of those "hang in there" kitty cat posters. Be on the lookout for attractive cable television service repair people.
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This isn't me! What am I?
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Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
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"Habit is a cable; we weave a thread of it each day, and at last we cannot break it. " -- Horace Mann, educator
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FOB
Free on Board
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