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HERFINDAHL-HIRSHMAN 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 4: Production Possibilities | Unit 3: The Curve Page: 12 of 24

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The slope of the production possibilities frontier is opportunity cost.

What does this have to do with it's distinct, convex shape?

  • The reason is the law of increasing opportunity cost.
  • With few calibrators produced, opportunity cost is low and curve is flat.
  • With many calibrators produced, opportunity cost is high and slope is steep.

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RESOURCE MARKETS

Markets that exchange the services of the four factors of production--labor, capital, land, and entrepreneurship. The buyer of factor services is business sector. The seller of these services is the household sector. The study of macroeconomics is concerned with imbalances in the resource markets, especially surpluses and the resulting unemployment of resources. The resource markets, also termed factor markets, are one of three primary sets of macroeconomic markets. The other two are product markets and financial markets.

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Today, you are likely to spend a great deal of time wandering around the downtown area hoping to buy either a video camera with stop action features or one of those memory foam pillows. Be on the lookout for broken fingernail clippers.
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Lombard Street is London's equivalent of New York's Wall Street.
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