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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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MARKET EFFICIENCY The notion that a competitive market automatically achieves an efficient allocation of resources by equating demand price with supply price and quantity demanded with quantity supplied. Market efficiency relies on the self-correction process that eliminates shortages or surpluses. It also presumes that the market is competitive and is not subject to market failures.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time at a crowded estate auction wanting to buy either a pair of red and purple designer socks or a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for malfunctioning pocket calculators.
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This isn't me! What am I?
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
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"Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus." -- Alexander Graham Bell, inventor
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LF
Labor Force, Laissez-Faire
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