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CHANGE IN AGGREGATE EXPENDITURES: The movement along an aggregate demand curve caused by a change in the price level. This should be contrasted directly with a change in aggregate demand. You might also want to review the terms change in quantity demanded and change in demand, as well. A change in aggregate expenditures means that we have identified a NEW level of expenditures on the existing aggregate demand curve. In contrast, a change in aggregate demand means that we have changed, moved, or shifted, the entire aggregate demand curve, the whole range of price levels and aggregate expenditures has changed.
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MARGINAL PRODUCTIVITY THEORY A theory used to analyze the profit-maximizing quantity of inputs (that is, the services of factor of productions) purchased by a firm in the production of output. Marginal-productivity theory indicates that the demand for a factor of production is based on the marginal product of the factor. In particular, a firm is generally willing to pay a higher price for an input that is more productive and contributes more to output. The demand for an input is thus best termed a derived demand.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center looking to buy either a T-shirt commemorating yesterday or a pair of handcrafted oven mitts. Be on the lookout for vindictive digital clocks with revenge on their minds.
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This isn't me! What am I?
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In the early 1900s around 300 automobile companies operated in the United States.
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"Education is the ability to listen to almost anything without losing your temper or your self-confidence. " -- Robert Frost
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PPF
Production Possibilities Frontier
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