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LEGAL CLAIM: Ownership of the physical goods, services, and resources that make up the real side of the economy. Legal claims are a key feature of the paper, or financial side of the economy. Transferring legal claims is the primary method of diverting income from household saving to investment and government borrowing. Legal-claim buyers loan income and legal-claim sellers borrower income.

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Lesson 9: Consumer Demand | Unit 4: The Curves Page: 18 of 22

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  • A method of graphing the marginal utility curve is to derive it directly from the total utility curve.
  • This method is based on an interesting and useful relation between totals and marginals that surfaces time and time again in the study of economics, what we can term the total-marginal relation.

  • The total-marginal relation is that the marginal value of a variable is equal to the slope of the curve for the corresponding total value of a variable.
  • For our immediate discussion of marginal utility, this means that marginal utility is the slope of the total utility curve.

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PERFECT COMPETITION, EFFICIENCY

Perfect competition is an idealized market structure that achieves an efficient allocation of resources. This efficiency is achieved because the profit-maximizing quantity of output produced by a perfectly competitive firm results in the equality between price and marginal cost. In the short run, this involves the equality between price and short-run marginal cost. In the long run, this is seen with the equality between price and long-run marginal cost at the minimum efficient scale of production.

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Today, you are likely to spend a great deal of time searching for rummage sales looking to buy either a 200-foot blue garden hose or a video camera with stop action features. Be on the lookout for high interest rates.
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The average length of a "business lunch" is about 36 minutes.
"All labor that uplifts humanity has dignity and importance and should be undertaken with painstaking excellence. "

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Brookings Papers on Economic Activity
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