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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 7: Market Equilibrium | Unit 5: The Method
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Page: 19 of 22
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Topic:
Too Little Production
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This market has a 50-cent price and a 400-tape quantity in equilibrium.- Note the demand price and the supply price if the quantity is 300 tapes.
- The demand price is 60 cents. This is the value of the good produced.
- The supply price is 40 cents. This is the value of goods not produced.
- Producing this quantity is the same as giving up 40 cents and getting 60 cents in return.
- 300 tapes is not an efficient use of resources
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INCOME EFFECT The change in quantity demanded that results because a change in the demand price of a good affects real income (that is, the purchasing power of income) even though nominal income remains the same. This is one of two reasons, or effects, underlying the law of demand and the negative slope of the market demand curve. The other is the substitution effect.
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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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General Electric is the only stock from the original 1896 Dow Jones Industrial Average remaining in the current index.
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"Old age isn't so bad when you consider the alternative. " -- Cato, Roman orator
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LAN
Locally Asymptotically Normal
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