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TIME PERIOD: One of three elasticity determinants (budget proportion and substitute availability are the other two) stating that the elasticity of a good tends to be greater for a longer time period of analysis. In other words, the price elasticity of demand for gasoline is greater when the time period is one year than when it is one month. This elasticity determinant works for both the price elasticity of demand and the price elasticity of supply. In both cases, longer time periods allow consumers and produces more time to adjust to any price changes.
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SAY'S LAW A principle of classical economics developed the French economist Jean-Baptiste Say that is commonly summarized as "supply creates its own demand." This law, also referred to as Say's "theory of markets" or "law of markets," indicates that the act of producing aggregate output generates a sufficient amount of aggregate income to purchase all of the output produced. This principle indicated that excess production or insufficient demand for production was unlikely to occur, at least for any extended period. When combined with flexible prices and saving-investment equality, Say's law further implied that an economy would achieve and maintain full employment of resources. This law was singled out by John Maynard Keynes in his critique of classical economics, but remains relevant in current macroeconomic analysis, reflected in the circular flow model.
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Natural gas has no odor. The smell is added artificially so that leaks can be detected.
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"Nobody can be successful unless he loves his work. " -- David Sarnoff, TV pioneer
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MC
Marginal Cost
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