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ABSTRACTION: Simplifying the complexities of the real world by ignoring (hopefully) unimportant details while doing economic analysis. Abstraction is often criticized because it's, well, it's JUST NOT REALISTIC. However, when done correctly (ignoring things that JUST DON'T MATTER), then the pursuit of knowledge is greatly enhanced by abstraction. For example, when travelling cross country along a high-speed interstate highway, a paper road map is a handy tool. It shows towns and cities along the way, the major intersections, rest stop locations, and other important points of interest. However, it ignores unimportant details. It doesn't realistically show the location of every tree, bush, or blade of grass. Why bother? This information won't enhance your road trip.
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INFLATIONARY EXPECTATIONS, AGGREGATE EXPENDITURES DETERMINANT One of several specific aggregate expenditures determinants assumed constant when the aggregate expenditures line is constructed, and that shifts the aggregate expenditures line when it changes. An increase in inflationary expectations causes an increase (upward shift) of the aggregate expenditures line. A decrease in inflationary expectations causes a decrease (downward shift) of the aggregate expenditures line. Other notable aggregate expenditures determinants include interest rates, federal deficit, consumer confidence, and exchange rates.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time watching the shopping channel hoping to buy either a cell phone case or a pair of designer sunglasses. Be on the lookout for slightly overweight pizza delivery guys.
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A communal society, a prime component of Karl Marx's communist philosophy, was advocated by the Greek philosophy Plato.
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"If I have ever made any valuable discoveries, it has been owing more to patient attention than to any other talent. " -- Isaac Newton, mathematician, physicist
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ARMA
Autoregressive Moving Average
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