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AGGREGATE EXPENDITURES LINE: 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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PERFECTLY INELASTIC An elasticity alternative in which changes in one variable (usually price) do NOT cause any changes in another variable (usually quantity). Quantity is totally, completely unresponsive to price. Quantity just does not change, regardless of changes in price. This characterization of elasticity is most important for the price elasticity of demand and the price elasticity of supply. Perfectly inelastic is one of five elasticity alternatives. The other four are perfectly elastic, relatively elastic, relatively inelastic, and unit elastic.
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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time looking for a downtown retail store wanting to buy either an instructional DVD on learning to the play the oboe or a small, foam rubber football. Be on the lookout for neighborhood pets, especially belligerent parrots.
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
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"The majority of men meet with failure because of their lack of persistence in creating new plans to take the place of those that fail. " -- Napoleon Hill, author
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IBRD
International Bank for Reconstruction and Development
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