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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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ASSUMPTION An initial condition or statement of a model or theory that sets the stage for an analysis by abstracting from the real world. Assumptions are important to economic analysis. Some assumptions are used to simplify a complex analysis into more easily manageable parts. Other assumptions are used as control conditions that are subsequently changed to evaluate the consequences.
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GRAY SKITTERY [What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area hoping to buy either a pair of red goulashes with shiny buckles or a handcrafted bird feeder. Be on the lookout for the last item on a shelf. Your Complete Scope
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Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
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"You miss 100% of the shots you never take. " -- Wayne Gretzky, hockey player
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NI National Income, Net Income
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