March 21, 2018 

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TOTAL REVENUE CURVE, MONOPOLISTIC COMPETITION: A curve that graphically represents the relation between total revenue received by a monopolistically competitive firm for selling its output and the quantity of output sold. It is used with the firm's total cost curve to determine economic profit. The marginal revenue curve, a key factor for determining the profit-maximizing level of a firm's output, is derived directly from the total revenue curve. The slope of this total revenue curve is marginal revenue. This curve is constructed to capture the relation between total revenue and the level of output, holding other variables constant.

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Lesson 14: Aggregate Supply | Unit 1: The Concept Page: 2 of 20

Topic: Price Level <=PAGE BACK | PAGE NEXT=>

Aggregate supply is the relation between real production, measured as real GDP, and the price level, measured as the GDP price deflator.
  • This is comparable to the relation for aggregate demand and lets us combine both relations to form the aggregate market.
  • How does the price level affect the supply of real production? For markets, the law of supply is that a higher price induces an increase in the quantity supplied. Does this work for aggregate supply, too?
  • How the price level affects real production depends on the difference between the short run and long run.

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A graphical depiction of the relation between government purchases by the government sector and the economy's aggregate level of income or production. This relation plays a key role in the study of Keynesian economics. A government purchases line is characterized by vertical intercept, which indicates autonomous government purchases, and slope, which is the marginal propensity for government purchases and indicates induced government purchases. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking the government purchases line onto the consumption line, as well as investment expenditures and net exports.

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Today, you are likely to spend a great deal of time driving to a factory outlet hoping to buy either a large stuffed brown and white teddy bear or a replacement washer for your kitchen faucet. Be on the lookout for fairy dust that tastes like salt.
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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.
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