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AE LINE: Another term for aggregate expenditure line, which is a line representing the relation between aggregate expenditures and gross domestic product used in the Keynesian cross. The aggregate expenditure line is obtained by adding investment expenditures, government purchases, and net exports to the consumption line. As such, the slope of the aggregate expenditure line is largely based on the slope of the consumption line (which is the marginal propensity to consume), with adjustments coming from the marginal propensity to invest, the marginal propensity for government purchases, and the marginal propensity to import. The intersection of the aggregate expenditures line and the 45-degree line identifies the equilibrium level of output in the Keynesian cross.
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SAVING FUNCTION A mathematical relation between saving and income by the household sector. The saving function can be stated as an equation, usually a simple linear equation, or as a diagram designated as the saving line. This function captures the saving-income relation, the flip side of the consumption-income relation that forms one of the key building blocks for Keynesian economics. The two key parameters of the saving function are the intercept term, which indicates autonomous saving, and the slope, which is the marginal propensity to save and indicates induced saving. The injections-leakages model used in Keynesian economics is based on the saving function.
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RED AGGRESSERINE
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Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway wanting to buy either a 50-foot blue garden hose or a turbo-powered vacuum cleaner. Be on the lookout for gnomes hiding in cypress trees.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"If a man hasn't discovered something that he will die for, he isn't fit to live. " -- Martin Luther King Jr., clergyman
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