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RECOVERY: A early expansionary phase of the business cycle shortly after a contraction has ended, but before a full-blown expansion begins. During a recovery, the unemployment rate remains relatively high, but it is beginning to fall. Real gross domestic product has begun to increase, usually rapidly. However, because the contraction remains fresh in the minds of many, it may not be immediately clear that the trough of the contraction has been reached.
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Lesson 20: Oligopoly | Unit 2: Structure
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Page: 6 of 24
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- It's quite useful to identify or measure the degree of concentration in an oligopoly market. This is generally accomplished in one of three ways.
- Market Share: The simplest measure of concentration is the share of the market held by one or more firms in the industry.
- Concentration Ratio: This measure of concentration combines the market shares for the largest number of firms in an industry to indicate the degree of market concentration.
- Herfindahl Index: The Herfindahl index includes the market shares of all firms in the market.
- Consideration and analysis of concentration using either of these three measures is really only relevant for oligopoly.
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LONG-RUN AGGREGATE SUPPLY CURVE A graphical representation of the long-run relation between real production and the price level, holding all ceteris paribus aggregate supply determinants constant. The long-run aggregate supply curve, abbreviated LRAS, is one of two curves that graphically capture the supply-side of the aggregate market. The other is the short-run aggregate supply curve. The demand-side of the aggregate market is occupied by the aggregate demand curve. The vertical long-run aggregate supply curve captures the independent relation between real production and the price level that exists in the long run.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club trying to buy either a pair of red and purple designer socks or a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for gnomes hiding in cypress trees.
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This isn't me! What am I?
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
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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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QML
Quasi-Maximum Likelihood
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