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AGGREGATE EXPENDITURE DETERMINANTS: An assortment of ceteris paribus factors that affect aggregate expenditures, but which are 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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PERFECT COMPETITION, REALISM: Perfect competition is an idealized market structure that does NOT exist in the real world. While some real world industries might come relatively close to one or two of the four key characteristics of perfect competition, none matches all four sufficiently that they can be declared PERFECTLY competitively. Some industries come close on the large number of small firms and the identical product characteristics. A few industries have relatively good, although not perfect, information about prices and technology. However, almost all industries fall far short of the perfect mobility characteristics. See also | perfect competition | perfect competition, characteristics | perfect competition, efficiency | perfect competition, demand |
Recommended Citation:PERFECT COMPETITION, REALISM, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2018. [Accessed: April 26, 2018].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: perfect competition, realism
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OPPORTUNITY COST, PRODUCTION POSSIBILITIES The production possibilities analysis, which is the alternative combinations of two goods that an economy can produce with given resources and technology, can be used to illustrate opportunity cost--the highest valued alternative foregone in the pursuit of an activity.
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ORANGE REBELOON
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Today, you are likely to spend a great deal of time surfing the Internet trying to buy either a computer that can play video games and burn DVDs or a black duffle bag with velcro closures. Be on the lookout for rusty deck screws.
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Woodrow Wilson's portrait adorned the $100,000 bill that was removed from circulation in 1929. Woodrow Wilson was removed from circulation in 1924.
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"Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations. " -- Steve Jobs, Apple Computer founder
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