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LONG RUN, MACROECONOMICS: In terms of the macroeconomic analysis of the aggregate market, a period of time in which all prices, especially wages, are flexible, and have achieved their equilibrium levels. This is one of two macroeconomic time designations; the other is the short run. Long-run wage and price flexibility means that ALL markets, including resources markets and most notably labor markets, are in equilibrium, with neither surpluses nor shortages. Wage and price flexibility and the resulting resource market equilibria are the reason for the vertical long-run aggregate supply curve.
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Lesson 19: Monopolistic Competition | Unit 2: Revenue And Cost
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Page: 9 of 22
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- The cost side of the firm's production can be conveniently displayed using the U-shaped cost curves:
- Average Total Cost (ATC): This curve is negatively-sloped for small quantities of output, then becomes positively-sloped for larger quantities of output.
- Marginal Cost (MC): Like the average total cost curve, the marginal cost curve is negatively-sloped for small quantities of output, then becomes positively-sloped for larger quantities of output.
- Both curves play important roles in the analysis of the short-run production decision for monopolistic competition.
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MACROECONOMIC SECTORS The four aggregate sectors of the macroeconomy--household, business, government, and foreign--that reflect four key macroeconomic functions and are responsible for four expenditures on gross domestic product. These four sectors are the primary "actors" on the macroeconomic stage. Macroeconomic theories then explain macroeconomic phenomena by exploring the interaction among these four sectors.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time calling an endless list of 800 numbers wanting to buy either a coffee cup commemorating the 2000 Olympics or a birthday gift for your grandmother. Be on the lookout for jovial bank tellers.
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This isn't me! What am I?
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The first paper notes printed in the United States were in denominations of 1 cent, 5 cents, 25 cents, and 50 cents.
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"The marvelous thing about human beings is that we are perpetually reaching for the stars. The more we have, the more we want. And for this reason, we never have it all. " -- Joyce Brothers, psychologist
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AS-AD
Aggregate Supply-Aggregate Demand Model
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