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THREE-SECTOR KEYNESIAN MODEL: A model used to identify equilibrium in Keynesian economics based on aggregate expenditures by the three domestic sectors (household, business, and government). Equilibrium is achieved at the intersection of the aggregate expenditures line, AE = C + I + G, and the 45-degree line, Y = AE. This is Keynesian aggregate expenditures model can be used to analyzed the impact of government fiscal policy on aggregate expenditures and equilibrium.
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MARGINAL PROPENSITY TO CONSUME The proportion of each additional dollar of household income that is used for consumption expenditures. The marginal propensity to consume (abbreviated MPC) is another term for the slope of the consumption line and is calculated as the change in consumption divided by the change in income. The MPC plays a central role in Keynesian economics. It quantifies the consumption-income relation and the fundamental psychological law. It is also a foundation for the slope of the aggregate expenditures line and is critical to the multiplier process. A related consumption measure is the average propensity to consume.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time watching the shopping channel trying to buy either a set of steel-belted radial snow tires or a wall poster commemorating the 2000 Presidential election. Be on the lookout for crowded shopping malls.
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John Maynard Keynes was born the same year Karl Marx died.
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"What we have done for ourselves alone dies with us; what we have done for others and the world remains and is immortal." -- Albert Pike
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JPE
Journal of Political Economy
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