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CHANGE IN AGGREGATE DEMAND: A shift of the aggregate demand curve caused by a change in one of the aggregate demand determinants. In essence, a change in aggregate demand is caused by any factor affecting aggregate demand EXCEPT the price level. This concept should be contrasted directly with a change in aggregate expenditures. You might also want to review the terms change in quantity demanded and change in demand, as well. The change in aggregate demand is comparable to the change in market demand. A change in aggregate demand is a change in ALL price level-aggregate expenditure combinations, meaning that each price level is matched up with a different aggregate expenditure (which is illustrated as a shift of the aggregate demand curve). This change in aggregate demand is caused by a change in any of the aggregate demand determinants. In contrast, a change in aggregate expenditures is a change from one price level-aggregate expenditure combination to the another (which is illustrated as a movement along a given aggregate demand curve).
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MODEL: An abstract representation of the real world that is usually based on scientific theories, principles, and hypotheses. The feature of a model that bears emphasizing is that it is an abstract representation of real world phenomenon. For economic models, this abstraction usually takes the form of words, graphs, or equations. See also | abstraction | abstraction methods | economic analysis | theory | scientific method | phenomenon | market | demand curve | supply curve | price | quantity |
Recommended Citation:MODEL, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2024. [Accessed: April 24, 2024].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: model
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ALLOCATIVE EFFICIENCY Obtaining the most consumer satisfaction from available resources. In other words, resources are allocated in such a way that consumer satisfaction is at its highest possible level. This is also termed either efficiency or economic efficiency.
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The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
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"The greatest things ever done on Earth have been done little by little. " -- William Jennings Bryan
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TI
Taxable Income
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