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SAVING FUNCTION: The positive relation between household saving and household disposable income. The saving function is commonly presented as the saving line or propensity-to-saving line. The slope of this line is the marginal propensity to save, which is the proportion of any additional income used for saving. The saving function and the marginal propensity to saving play key roles in the multiplier and accelerator concepts. Because consumption is the difference between disposable income and saving, the consumption function is a complementary relation to the saving function.

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ELASTICITY ALTERNATIVES, SUPPLY

Five categories of the price elasticity of supply that reflect the entire range of the relative responsiveness of a change in quantity supplied to a change in price. These five alternatives--perfectly elastic, relatively elastic, unit elastic, relatively inelastic, and perfectly inelastic--are often illustrated by different supply curves. The price elasticity of demand is also reflected by five comparable alternatives.

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Today, you are likely to spend a great deal of time watching infomercials hoping to buy either a coffee cup commemorating the moon landing or a how-to book on surfing the Internet. Be on the lookout for mail order catalogs with hidden messages.
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Before 1933, the U.S. dime was legal as payment only in transactions of $10 or less.
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