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INJECTION: A non-consumption expenditure on gross domestic product, including investment expenditures, government purchases, and exports. Injections are combined with leakages in the injection-leakage model used to identify equilibrium aggregate output in Keynesian economics. The notion of injection is best viewed through the circular flow, in which investment expenditures, government purchases, and exports are "injected" into the main flow between output, factor payments, national income, and consumption.
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ASSUMPTIONS, KEYNESIAN ECONOMICS The macroeconomic study of Keynesian economics relies on three key assumptions--rigid prices, effective demand, and savings-investment determinants. First, rigid or inflexible prices prevent some markets from achieving equilibrium in the short run. Second, effective demand means that consumption expenditures are based on actual income, not full employment or equilibrium income. Lastly, important savings and investment determinants include income, expectations, and other influences beyond the interest rate. These three assumptions imply that the economy can achieve a short-run equilibrium at less than full-employment production.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time at a crowded estate auction seeking to buy either a dozen high trajectory optic orange golf balls or a large red and white striped beach towel. Be on the lookout for attractive cable television service repair people.
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Two and a half gallons of oil are needed to produce one automobile tire.
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"Doing the best at this moment puts you in the best place for the next moment. " -- Oprah Winfrey, entrepreneur
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WAPM
Weak Axiom of Profit Maximization
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