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December 17, 2018 

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SCARCITY: A pervasive condition of human existence that exists because society has unlimited wants and needs, but limited resources used for their satisfaction. In other words, while we all want a bunch of stuff, we can't have everything that we want. In slightly different words, this scarcity problem means: (1) that there's never enough resources to produce everything that everyone would like produced; (2) that some people will have to do without some of the stuff that they want or need; (3) that doing one thing, producing one good, performing one activity, forces society to give up something else; and (4) that the same resources can not be used to produce two different goods at the same time. We live in a big, bad world of scarcity. This big, bad world of scarcity is what the study of economics is all about. That's why we usually subtitle scarcity: THE ECONOMIC PROBLEM.

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Lesson Contents
Unit 1: Price Taker
  • A Perfect Market
  • Characteristics
  • Revenue
  • Profit Maximization
  • Unit 1 Summary
  • Unit 2: Short-Run Output
  • The Revenue Side
  • The Revenue Numbers
  • The Cost Side
  • Comparing Totals
  • Comparing Marginals
  • Unit 2 Summary
  • Unit 3: Doing Graphs
  • Total Curves
  • Profit Curve
  • Marginal Curves
  • Dividing Revenue
  • Short-Run Alternatives
  • Short-Run Supply
  • Unit 3 Summary
  • Unit 4: Long-Run Equilibrium
  • Long-Run Marginal Cost
  • Adjustment
  • Entry And Exit
  • Equilibrium Conditions
  • Long-Run Supply
  • Unit 4 Summary
  • Unit 5: Evaluation
  • The Good
  • The Bad
  • Market Control
  • Unit 5 Summary
  • Course Home
    Perfect Competition

    • The first unit of this lesson, Price Taker, begins this study with a look at the general structure of a perfectly competitive market.
    • In the second unit, Short-Run Output, we take a look at the short-run production decision faced by a perfectly competitive firm based on the cost and revenue numbers.
    • The third unit, Doing Graphs, then looks at the short-run production decision faced by a perfectly competitive firm using a graphical analysis of cost and revenue.
    • In the fourth unit, Long-Run Equilibrium, we examine the nature of long-run adjustment by a perfectly competition industry when all inputs are variable.
    • The fifth and final unit, Evaluation, then closes this lesson by considering the pros and cons of a perfectly competitive industry.

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    EXPLICIT COLLUSION

    A formal, usually secret, collusion agreement among competing firms (mostly oligopolistic firms) in an industry designed to control the market, raise the market price, and otherwise act like a monopoly. Also termed overt collusion, the distinguishing feature of explicit collusion is that it involves some sort of agreement among the colluding firms. This is one of two types of collusion. The other is implicit or tacit collusion, which does not involve an explicit agreement.

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    APLS

    BLUE PLACIDOLA
    [What's This?]

    Today, you are likely to spend a great deal of time wandering around the shopping mall wanting to buy either a coffee cup commemorating next Thursday or a replacement remote control for your stereo system. Be on the lookout for telephone calls from long-lost relatives.
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    This isn't me! What am I?

    In 1914, Ford paid workers who were age 22 or older $5 per day -- double the average wage offered by other car factories.
    "When I look back on all these worries, I remember the story of the old man who said on his deathbed that he had had a lot of trouble in his life, most of which had never happened. "

    -- Winston Churchill, British statesman

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