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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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ABSOLUTE ADVANTAGE The general ability to produce more goods or services using fewer resources. A person or country has an absolute advantage in production largely due to superior technology or greater technical efficiency. A related, but contrasting concept is comparative advantage. Both terms are perhaps most important to the study of international trade, but also provide insight into other exchanges.
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Cyrus McCormick not only invented the reaper for harvesting grain, he also invented the installment payment for selling his reaper.
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"If you don't make mistakes, you aren't really trying." -- Coleman Hawkings,musician
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G7
Group of Seven
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