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PERFECT COMPETITION, LONG-RUN ADJUSTMENT: A perfectly competitive industry undertakes a two-part adjustment to equilibrium in the long run. One is the adjustment of each perfectly competitive firm to the appropriate factory size that maximizes long-run profit. The other is the entry of firms into the industry or exit of firms out of the industry, to eliminate economic profit or economic loss. The end result of this long-run adjustment is a multi-faceted equilibrium condition that price is equal to marginal cost and average cost (both short run and long run).
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Lesson 12: Elasticity and Demand | Unit 2: The Continuum
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Page: 7 of 25
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- A graphical look at three alternatives:
- Perfectly Elastic: Perfectly elastic demand results when infinitesimally small changes in price lead to infinitely large changes in quantity.
- Perfectly Inelastic: Perfectly inelastic demand results the quantity demanded does not change regardless of any change in price.
- Unit Elastic: Unit elastic demand results when the perfect change in quantity is EXACTLY the same as the percentage change in price.
- The most noted feature of this demand curve is that it is a curve and not a straight line -- the slope changes along the curve.
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MARGINAL REVENUE CURVE, MONOPOLISTIC COMPETITION A curve that graphically represents the relation between the marginal revenue received by a monopolistically competitive firm for selling its output and the quantity of output sold. Because a monopolistically competitive firm is a price maker and faces a negatively-sloped demand curve, its marginal revenue curve is also negatively sloped and lies below its average revenue (and demand) curve. A monopolistically competitive firm maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.
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BEIGE MUNDORTLE
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either a remote controlled sports car with an air spoiler or semi-gloss photo paper that works with your neighbor's printer. Be on the lookout for malfunctioning pocket calculators.
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This isn't me! What am I?
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The first "Black Friday" on record, a friday marked by a major financial catastrophe, occurred on September 24, 1869 -- A FRIDAY -- when an attempted cornering of the gold market induced a financial crises and economy-wide depression.
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"Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus." -- Alexander Graham Bell, inventor
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LCH
Life Cycle Hypothesis
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