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ECONOMIZE: The process of obtaining the most for the least. That is, to limit the cost of an action or to gain the greatest benefit from an activity. To economize also means to limit or prevent waste and inefficiency.

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Lesson 4: Production Possibilities | Unit 3: The Curve Page: 11 of 24

Topic: Slope and Cost <=PAGE BACK | PAGE NEXT=>

The slope of a line is measured by calculating the change in the value measured on the vertical axis divided by the change in the value measured on the horizontal axis.
  • Another way of saying this is to take the rise over the run.

    risechange in shoes
    slope =---- =--------------------------
    runchange in calibrators

  • Slope between I and J is -70. Rise is a decrease of 70. Run is an increase of 1.
The slope of the production possibilities curve is the opportunity cost of the good measured on the horizontal axis, which in our example is clock calibrators.

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PRODUCER SURPLUS

The revenue that producers obtain from a good over and above the price paid. This is the difference between the minimum supply price that sellers are willing to accept and the price that they actually receive. A related notion from the demand side of the market is consumer surplus.

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Helping spur the U.S. industrial revolution, Thomas Edison patented nearly 1300 inventions, 300 of which came out of his Menlo Park "invention factory" during a four-year period.
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