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October 9, 2026 

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ELASTICITY AND SUPPLY INTERCEPT: The intersection of a straight-line supply curve with vertical price axis and/or horizontal quantity axis reveals the relative price elasticity of supply. Intersection with the horizontal quantity axis means inelastic and intersection with the vertical price axis means elastic. Intersection with the origin means unit elastic supply.

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Lesson Contents
Unit 1: Getting Started
  • Overview
  • Assumptions
  • Limitations
  • Unit 1 Summary
  • Unit 2: The Schedule
  • Set Up
  • Opportunity Cost
  • Changing Cost
  • Unit 2 Summary
  • Unit 3: The Curve
  • Plot
  • Connecting Points
  • Slope and Cost
  • Shape
  • Unit 3 Summary
  • Unit 4: Analysis
  • Full Employment
  • Unemployment
  • Growth
  • Resource Quantity and Quality
  • Unit 4 Summary
  • Unit 5: Investment
  • Overview
  • Bundle Choices: A
  • Bundle Choices: E
  • Bundle Choices: I
  • Scarcity
  • Unit 5 Summary
  • Course Home
    Production Possibilities

    In this lesson we'll take a trip through production possibilities. Production possibilities is a handy little analysis that lets us consider what the economy is capable of doing, production-wise. We'll see how a production possibilities curve, the cornerstone of this analysis, is derived and how it can be used to understand several important concepts, including opportunity cost, unemployment, investment, and economic growth.

    • The first unit, Getting Started, begins this lesson by laying the foundations for production possibilities analysis, especially assumptions and limitations.
    • We turn out attention in the second unit, The Schedule, to the production possibilities schedule, a simple table that gives us a first shot on this analysis.
    • The production possibilities curve is then derived from the production possibilities schedule in the third unit, The Curve, with particular emphasis on the importance of opportunity cost
    • In the fourth unit, Analysis, we make use of the production possibilities analysis for an understanding of three important concepts: full employment, unemployment, and economic growth.
    • And lastly, the fifth unit, Investment, uses production possibilities to analyze investment in capital goods as a means of achieving economic growth.

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    TOTAL PRODUCT AND MARGINAL PRODUCT

    A mathematical connection between marginal product and total product stating that marginal product IS the slope of the total product curve. If the total product curve has a positive slope (that is, is upward sloping), then marginal product is positive. If the total product curve has a negative slope (downward sloping), then marginal product is negative. If the total product curve has a zero slope (horizontal), then marginal product is zero.

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    Today, you are likely to spend a great deal of time looking for a downtown retail store hoping to buy either a wall poster commemorating the 2000 Olympics or a flower arrangement with a lot of roses for your grandmother. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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    The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
    "There's only one corner of the universe you can be certain of improving and that's your own self. "

    -- Aldous Huxley, writer

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