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MARGINAL PROPENSITY TO CONSUME: The proportion of each additional dollar of household income that is used for consumption expenditures. Or alternatively, this is the change in consumption expenditures due to a change in disposable income. Abbreviated MPC, the marginal propensity to consume is the slope of the consumption or propensity-to-consume line that forms the foundation for Keynesian economics. As such, it also takes center stage for the slope of the aggregate expenditure line and the multiplier effect. The sum of the marginal propensity to consume and the related concept, the marginal propensity to save, is equal to one.
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PERFECT COMPETITION, REVENUE DIVISION The marginal approach to analyzing a perfectly competitive firm's short-run profit maximizing production decision can be used to identify the division of total revenue among variable cost, fixed cost, and economic profit. The U-shaped cost curves used in this analysis provide all of the information needed on the cost side of the firm's decision. The demand curve facing the firm (which is also the firm's average revenue and marginal revenue curves) provides all of the information needed on the revenue side.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius hoping to buy either any book written by Isaac Asimov or a how-to book on building remote controlled airplanes. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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The portrait on the quarter is a more accurate likeness of George Washington than that on the dollar bill.
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"Nobody can be successful unless he loves his work. " -- David Sarnoff, TV pioneer
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ANOVA
Analysis of Variance
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