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HERFINDAHL INDEX: A measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.
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Lesson 19: Monopolistic Competition | Unit 4: Analysis
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Page: 16 of 22
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Topic:
Efficiency And Excess Capacity
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- The market control of monopolistic competition firms has two important implications:
- First, resources are not used efficiently.
- Second, as previously noted, firms have excess capacity.
- Efficiency: Resources are used efficiently when price is equal to marginal cost.
- Excess Capacity: In the long run, efficient use of capital is achieved at the minimum efficient scale.
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CAUSE AND EFFECT The notion that every event in the universe is the direct result of a preceding event, that one event A causes another event B. The purpose of the scientific method is to identify these cause-and-effect relations. This pursuit is based on a simple point of view: everything happens for a reason. For every action there is a consequence. And for every consequence there is a cause.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages seeking to buy either a coffee cup commemorating the first day of spring or a printer that works with your stockpile of ink cartridges. Be on the lookout for the happiest person in the room.
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This isn't me! What am I?
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"Old age isn't so bad when you consider the alternative. " -- Cato, Roman orator
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Exports;Marks the Spot
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