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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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CHANGE IN QUANTITY DEMANDED A movement along a given demand curve caused by a change in demand price. The only factor that can cause a change in quantity demanded is price. A related, but distinct, concept is a change in demand.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale wanting to buy either a rechargeable flashlight or storage boxes for your computer software CDs. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
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"Adversity is another way to measure the greatness of individuals. I never had a crisis that didn't make me stronger. " -- Lou Holtz, Football Coach
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IPUMS
Integrated Public Use Microdata Series
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