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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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EQUILIBRIUM, SHORT-RUN AGGREGATE MARKET The state of equilibrium that exists in the short-run aggregate market when real aggregate expenditures are equal to full-employment real production with no imbalances to induce changes in the price level or real production. The opposing forces of aggregate demand (the buyers) and short-run aggregate supply (the sellers) exactly offset each other. At the existing price level, the four macroeconomic sectors (household, business, government, and foreign) purchase all of the real production that they seek and producers sell all of the real production that they have.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages trying to buy either a coffee table shaped like the state of Florida or storage boxes for your summer clothes. Be on the lookout for deranged pelicans.
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This isn't me! What am I?
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Al Capone's business card said he was a used furniture dealer.
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"The time to repair the roof is when the sun is shining." -- John F. Kennedy, 35th U. S. president
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DI
Disposable Income
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