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AGGREGATE EXPENDITURE DETERMINANT: A ceteris paribus factor that affects aggregate expenditures, but which is assumed constant when the aggregate expenditure line is constructed. Changes in any of the aggregate expenditures determinants cause the aggregate expenditure line to shift. While a wide variety of specific ceteris paribus factors can cause the aggregate expenditure line to shift, it's usually most convenient to group them into the four, broad expenditure categories -- consumption, investment, government purchases, and net exports. The reason is that changes in these expenditures are the direct cause of shifts in the aggregate expenditure line. If any determinant affects aggregate expenditures it MUST affect one of these four expenditures.
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RELATIVELY INELASTIC An elasticity alternative in which relatively large changes in one variable (usually price) cause relatively small changes in another variable (usually quantity). In other words, quantity is not very responsive to price. Quantity does change, but not much, in response to large changes in price. This characterization of elasticity is most important for the price elasticity of demand and the price elasticity of supply. Relatively inelastic is one of five elasticity alternatives. The other four are perfectly elastic, perfectly inelastic, relatively elastic, and unit elastic.
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The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
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"Long-range goals keep you from being frustrated by short-term failures " -- J. C. Penney, Retailer
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AEA
American Economic Association
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