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AGGREGATE MARKET: An economic model relating the price level and real production that is used to analyze business cycles, gross domestic product, unemployment, inflation, stabilization policies, and related macroeconomic phenomena. The aggregate market, inspired by the standard market model, captures the interaction between aggregate demand (the buyers) and short-run and long-run aggregate supply (the sellers).
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Lesson 2: Economic Science | Unit 2: Theory
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Page: 6 of 20
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Economic theories are abstractions of the real world.
Three ways to abstract:- Words. The earliest human method of abstraction was to represent objects with words. Words also represent ideas. But words can have different meanings.
- Graphs. Pictures, especially graphical pictures. Many economic theories are abstractly represented with graphs. A picture or graph can be less confusing that words.
- Equations. Graphs are two-dimensional pictures of mathematical equations. Economic theories are often abstractly represented by equations. Equations can represent relationships between three or more things, like that for X, Y and Z:
Y = 3 + 2X - 4Z
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CONSUMER CONFIDENCE, 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 consumer confidence causes an increase (upward shift) of the aggregate expenditures line. A decrease in consumer confidence causes a decrease (downward shift) of the aggregate expenditures line. Other notable aggregate expenditures determinants include interest rates, federal deficit, inflationary expectations, and exchange rates.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs wanting to buy either a how-to book on wine tasting or a bookshelf that will fit in your closet. Be on the lookout for slow moving vehicles with darkened windows.
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Before 1933, the U.S. dime was legal as payment only in transactions of $10 or less.
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"Experience keeps a dear school, but fools will learn in no other. " -- Benjamin Franklin
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ATC
Average Total Cost
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