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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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CAPTURE THEORY OF REGULATION The notion that a government agency established to regulate an industry for the benefit of society acts instead for the benefit of the industry. In effect, the government agency is "captured" by the industry it is regulating. The capture theory of regulation indicates that government regulator acts as the decision-making "head" of a now monopolized industry. This is achieved by a "rotating door" between the government agency and the industry, with members of the regulating agency being former and future employees of the industry. Rather than promoting efficiency, the regulating agency creates an inefficient allocation of resources.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall wanting to buy either an AC adapter for your CD player or storage boxes for your family photos. Be on the lookout for vindictive digital clocks with revenge on their minds.
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This isn't me! What am I?
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The New York Stock Exchange was established by a group of investors in New York City in 1817 under a buttonwood tree at the end of a little road named Wall Street.
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"Long-range goals keep you from being frustrated by short-term failures " -- J. C. Penney, Retailer
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APT
Arbitrage Pricing Theory
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