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AGGREGATE EXPENDITURE EQUATION: An equation indicating that aggregate expenditures (AE) are the sum of consumption expenditures (C), investment expenditures (I), government purchases (G), and net exports (X-M), stated as: AE = C + I + G + (X-M). This equation surfaces in the Keynesian economic income-expenditure model in the form of the aggregate expenditures line. However, it's also central throughout the study of macroeconomics, including aggregate demand and the measurement of gross domestic product.
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A PRIORI: A presumption made before an analysis is undertaken, often based on experiences, beliefs, or deductions from seemingly self-evident propositions about how the world works. This is a Latin for assumption or axiom. A similar sounding, but opposite term is a posteriori, which is derived from observation or facts. For example, in the study of economics of crime you might assume, a priori, that people are basically "good", because that just seems to be part of human nature, and conclude, a posteriori, that people are more likely to commit crimes when the threat of capture and conviction is lower. See also | axiom | assumption | theory | scientific method | a posteriori | principle | law | hypothesis | world view | data | empirical | verification |
Recommended Citation:A PRIORI, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 18, 2025].
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AGGREGATE DEMAND INCREASE, SHORT-RUN AGGREGATE MARKET A shock to the short-run aggregate market caused by an increase in aggregate demand, resulting in and illustrated by a rightward shift of the aggregate demand curve. An increase in aggregate demand in the short-run aggregate market results in an increase in the price level and an increase in real production. The level of real production resulting from the shock can be greater or less than full-employment real production.
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WHITE GULLIBON
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Today, you are likely to spend a great deal of time searching the newspaper want ads seeking to buy either an extra large beach blanket or a large flower pot shaped like a Greek urn. Be on the lookout for fairy dust that tastes like salt.
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
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"A winner is someone who recognizes his God-given talents, works his tail off to develop them into skills, and uses those skills to accomplish his goals. " -- Larry Bird, basketball player
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WLS
Weighted Least Squares
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