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MACROECONOMICS: The branch of economics that studies the entire economy, especially such topics as aggregate production, unemployment, inflation, and business cycles. It can be thought of as the study of the economic forest, as compared to microeconomics, which is study of the economic trees.

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Lesson 17: Money | Unit 4: Money's History Page: 18 of 25

Topic: Commodity Money <=PAGE BACK | PAGE NEXT=>

Because barter has limitations, the double coincidence of needs, peoples used commodities as money.

Commodity money:

  • When they began using a widely desired commodity, they created commodity money.
  • Commodity money has value in use and value in trade.
  • The value in use dictates value in trade.
  • Some commodities are better than others in terms of the four money characteristics.
  • Our ancestors tried many different commodities before finding one type that fits the characteristics better than most metals.

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MARGINAL REVENUE CURVE, MONOPOLY

A curve that graphically represents the relation between the marginal revenue received by a monopoly for selling its output and the quantity of output sold. Because a monopoly is a price maker and faces a negatively-sloped demand curve, its marginal revenue curve is also negatively sloped and lies below its average revenue (and demand) curve. A monopoly maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.

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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club seeking to buy either a package of blank rewritable CDs or yellow cotton balls. Be on the lookout for poorly written technical manuals.
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