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NEGATIVE RELATION: A relation, either a principle or hypothesis, in which an increase one variable is associated with a decrease in the other variable. A negative, or indirect, relation is most commonly illustrated by a downward sloping line. It can also be represented by an equation in which the slope value is negative.

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MARGINAL PROPENSITY TO INVEST

The change in business investment expenditures induced by a change in income or production (national income or gross domestic product). The marginal propensity to invest (abbreviated MPI) is another term for the slope of the investment line and is calculated as the change in investment divided by the change in income or production. The MPI plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part to the multiplier process. A related marginal measure is the marginal propensity to consume.

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Today, you are likely to spend a great deal of time watching the shopping channel wanting to buy either any book written by Isaac Asimov or a how-to book on building remote controlled airplanes. Be on the lookout for poorly written technical manuals.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
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