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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.
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Lesson 3: Scarcity | Unit 1: The Concept
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- The fundamental concept of scarcity that faces society.
- The role unlimited wants and needs play in creating the problem of scarcity.
- The role limited resources play in creating the problem of scarcity.
- What the scarcity problem means for society.
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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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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time at a garage sale trying to buy either a coffee cup commemorating the 2000 Olympics or a birthday gift for your grandmother. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
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"It is not because things are difficult that we do not dare; it is because we do not dare that they are difficult. " -- Seneca, statesman, dramatist, philosopher
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CBOE
Chicago Board Options Exchange
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