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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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INDETERMINANT The directional change in a variable, resulting from the disruption of an equilibrium that is identified using comparative statics, is not known. This term is commonly used to indicate that the change in either price or quantity is unknown when the market experiences simultaneous shifts in both the demand and supply curves. For example, an increase in both demand and supply definitely cause an increase in the quantity exchanged. But whether the market price increases or decreases is indeterminant.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time at a garage sale seeking to buy either a birthday greeting card for your grandmother or a coffee cup commemorating yesterday. Be on the lookout for the happiest person in the room.
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This isn't me! What am I?
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Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
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"I don't subscribe to the thesis, 'Let the buyer beware,' I prefer the disregarded one that goes, 'Let the seller be honest.'" -- Isaac Asimov, Author
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ABE
Association of Business Executives
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