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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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ECONOMIC SCIENCE The application of the scientific method to economic phenomena and topics related to the fundamental problem of scarcity. Economic science, also termed positive economics, is one of several social sciences that apply the scientific method to the study of human behavior.
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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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"Be willing to have it so. Acceptance of what has happened is the first step to overcoming the consequences of any misfortune." -- William James, Psychologist
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PPT Personal Property Tax
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