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ECONOMIC SCIENCE: The application of the scientific method to economic phenomena. In other words, economists develop theories, test hypotheses, and seek to explain things like prices, unemployment rates, monopolize markets, business cycles, market shortages, and virtually everything else that might be considered economic "stuff." However, economic science is also directed toward phenomenon that might NOT be considered economics, including voting, crime, and leisure. The key element, however, is that all of these, and many more, phenomena related to the fundamental problem of scarcity in one way or the other.

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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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GREEN LOGIGUIN
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Today, you are likely to spend a great deal of time at a garage sale wanting to buy either a combination CD player, clock radio, and telephone (with answering machine) or a revolving spice rack. Be on the lookout for neighborhood pets, especially belligerent parrots.
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General Electric is the only stock from the original 1896 Dow Jones Industrial Average remaining in the current index.
"The vacuum created by failure to communicate will quickly be filled with rumor, misrepresentations, drivel and poison. "

-- C. Northcote Parkinson, historian

PDV
Present Discounted Value
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