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LAW OF COMPARATIVE ADVANTAGE: A basic principle that states every nation has a production activity that incurs a lower opportunity cost than that of another nation, which means that trade between the two nations can be beneficial to both if each specializes in the production of a good with lower relative opportunity cost. While this law is fundamental to the study of international trade, it also applies to other activities, especially the specialization and the division of labor.

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Lesson Contents
Unit 1: Intro
  • Definition
  • Market Structure Continuum
  • Real World Oligopoly
  • Structure And Behavior
  • Unit 1 Summary
  • Unit 2: Structure
  • Concentration
  • Concentration Ratios
  • Herfindahl Index
  • Entry Barriers
  • Unit 2 Summary
  • Unit 3: Behavior
  • Interdependence
  • Collusion
  • Merger
  • Unit 3 Summary
  • Unit 4: Analysis
  • Kinked-Demand Curve
  • Kinked-Demand Curve Analysis
  • Collusion Cost
  • Collusion Output
  • Game Theory
  • Unit 4 Summary
  • Unit 5: Evaluation
  • The Bad
  • The Good
  • Government Intervention?
  • Unit 5 Summary
  • Course Home
    Oligopoly

    • The first unit of this lesson, A Few Firms, begins this lesson with a look at the nature of oligopoly and how it is related to other market structures.
    • In the second unit, Structure, we see how markets with a small number of large firms are structured.
    • The third unit, Behavior, then looks at some of activities undertaken by oligopoly that are not seen in other market structures.
    • In the fourth unit, Some Graphs, we use a few graphs to examine different ways that oligopoly firms interact in the production of output.
    • The fifth and final unit, Taking Stock, then closes this lesson by considering the good and the bad of oligopoly and why it is often prone to government scrutiny.

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    PARADOX OF THRIFT

    The notion that an increase in saving, which is generally good advice for an individual during bad economic times, can actually worsen the macroeconomy causing a reduction in aggregate income, production, and paradoxically a decrease in saving. The paradox of thrift is an example of the fallacy of composition stating that what is true for the part is not necessarily true for the whole.

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    APLS

    GREEN LOGIGUIN
    [What's This?]

    Today, you are likely to spend a great deal of time at a flea market trying to buy either looseleaf notebook paper or a three-hole paper punch. Be on the lookout for attractive cable television service repair people.
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    This isn't me! What am I?

    One of the largest markets for gold in the United States is the manufacturing of class rings.
    "Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus."

    -- Alexander Graham Bell, inventor

    MU
    Marginal Utility
    A PEDestrian's Guide
    Xtra Credit
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