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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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NEEDS: This are often thought of as a physiological or biological requirement for maintaining life, such as the need for air, water, food, shelter, and sleep. Satisfaction is achieved by fulfilling needs. Physiological needs should be contrasted with psychological wants that make life more enjoyable but are not necessary to stay alive. However, when push comes to shove, and the nitty gets down to the gritty, it matters very little to markets if people need goods or want goods, so long as they are motivated to satisfy them. This motivation is what drives economic activity. See also | wants | satisfaction | unlimited wants and needs | scarcity | limited resources |
Recommended Citation:NEEDS, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: March 24, 2025].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: needs
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AGGREGATE DEMAND DETERMINANTS An assortment of ceteris paribus factors other than the price level that affect aggregate demand, but which are assumed constant when the aggregate demand curve is constructed. Changes in any of the aggregate demand determinants cause the aggregate demand curve to shift. The specific ceteris paribus factors are commonly grouped by the four, broad expenditure categories--consumption expenditures, investment expenditures, government purchases, and net exports.
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BLACK DISMALAPOD
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Today, you are likely to spend a great deal of time touring the new suburban shopping complex trying to buy either a velvet painting of Elvis Presley or a wall poster commemorating yesterday. Be on the lookout for poorly written technical manuals.
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It's estimated that the U.S. economy has about $20 million of counterfeit currency in circulation, less than 0.001 perecent of the total legal currency.
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"It's usually the last ounce of effort that tips the scales of success." -- Rick Beneteau
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ATC
Average Total Cost
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