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MARGINAL PROPENSITY TO INVEST: The proportion of each additional dollar of national income that is used for investment expenditures. Or alternatively, this is the change in investment expenditures due to a change in national income. Abbreviated MPI, the marginal propensity to invest is the slope of the investment line used in the analysis of Keynesian economics. As such, it also plays a role in the slope of the aggregate expenditure line and the multiplier effect.
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MARGINAL REVENUE, MONOPOLY The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a monopoly receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a monopoly equates marginal revenue and marginal cost.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time driving to a factory outlet wanting to buy either software that won't crash your computer or any book written by Stephan King. Be on the lookout for attractive cable television service repair people.
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Natural gas has no odor. The smell is added artificially so that leaks can be detected.
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"The only profit center is the customer." -- Peter Drucker, educator
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IBB
International Bank Bonds
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