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LOSS MINIMIZATION, MONOPOLY: The marginal revenue and marginal cost approach to analyzing a monopoly firm's short-run production decision can be used to identify economic loss. The U-shaped cost curves used in this analysis provides all of the information needed on the cost side of the firm's decision. The demand curve facing the firm (which is also the firm's average revenue curve) and the firm's marginal revenue curve provides the information needed on the revenue side.

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Lesson 14: Aggregate Supply | Unit 4: Determinants Page: 16 of 20

Topic: Short Run Supply <=PAGE BACK | PAGE NEXT=>

The short-run aggregate supply (SRAS) curve is related to the price level, and this relation depends on production cost.
  • An increase in production cost decreases aggregate supply and shifts the SRAS leftward.
  • A decrease in production cost increases aggregate supply and shifts the SRAS rightward.
Key production cost changes:
  • Wages: Wages shift the SRAS from adjustments in workers perceptions of the current price level and expectations about future prices.
  • Material Cost: Key economy-wide resources, like oil, can cause the SRAS to shift through big changes in price.

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SLOPE, AGGREGATE DEMAND CURVE

The negative slope of aggregate demand curve, reflecting the inverse relation between the price level and aggregate expenditures on real production, is attributable to three primary effects--real-balance effect, interest-rate effect, and net-export effect.

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[What's This?]

Today, you are likely to spend a great deal of time at a garage sale seeking to buy either decorative garden figurines or a wall poster commemorating last Friday (you know why). Be on the lookout for strangers with large satchels of used undergarments.
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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.
"When you play, play hard; when you work, don't play at all. "

-- Theodore Roosevelt, 26th US president

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