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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 11: Elasticity Basics | Unit 4: A Continuum
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Page: 17 of 25
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Topic:
Perfectly Elastic
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- At one end of the elasticity continuum is perfectly elastic:
- Perfectly elastic is an elasticity alternative in which infinitesimally small changes in one variable (price) cause infinitely large changes in another variable (quantity).
- This works for both the price elasticity of demand and the price elasticity of supply, because the negative value of the price elasticity of demand is ignored.
- Perfectly elastic demand and supply are represented by horizontal demand and supply curves.
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SAVING LINE A graphical depiction of the relation between household sector saving and income. The saving line is closely related to the consumption line that forms one of the key building blocks for Keynesian economics. A saving line is characterized by vertical intercept, which indicates autonomous saving, and slope, which is the marginal propensity to save and indicates induced saving. The injections-leakages model used in Keynesian economics is based on the saving line.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club seeking to buy either clothing for your kitty cats or a set of luggage without wheels. Be on the lookout for attractive cable television service repair people.
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This isn't me! What am I?
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"Inside the ring or out, ain't nothing wrong with going down. It's staying down that's wrong. " -- Muhammad Ali
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WPO
Weakly Pareto Optimal
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