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OPEN SHOP: An employment arrangement in which workers of a firm are free to join or not join a union because employment is unrelated to union membership. Because an open shop tends to limit the proportion of a firm's employees represented, this can significantly dilute a labor union's market control. Open shops are established in states that have right-to-work laws.

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Lesson Contents
Unit 1: Instability
  • What It Is
  • Fluctuations
  • Unit 1 Summary
  • Unit 2: Extension
  • Instability
  • Self-Correction
  • Unit 2 Summary
  • Unit 3: Basic Shifts
  • AD Shifts
  • AD Increase: Long Run
  • AD Decrease: Long Run
  • AD Increase: Short Run
  • AD Decrease: Short Run
  • Unit 3 Summary
  • Unit 4: Complex Shifts
  • AD
  • AD Increase
  • AD Decrease
  • SRAS
  • SRAS Increase
  • SRAS Decrease
  • Unit 4 Summary
  • Unit 5: Synthesis
  • Business Cycles
  • Unit 5 Summary
  • Course Home
    Aggregate Shocks

    In this lesson we use the aggregate market model to analyze assorted disruptions that cause shifts of the aggregate demand, short-run aggregate supply, and long-run aggregate supply curves. The reason for doing this, of course, is to explain and understand macroeconomic activity, especially business cycle instability that causes inflation and unemployment.

    • The first unit of this lesson reviews the aggregate market and examines how it is affected macroeconomic instability.
    • In the second unit, we take and look at assorted demands on both the demand side and supply side of the aggregate market that cause shorts to the aggregate market.
    • We then move into an analysis of six basic shifts involving increases and decreases in the aggregate demand, short-run aggregate supply, and long-run aggregate supply curves.
    • The fourth unit builds on these six basic shifts to examine four complex shifts in which recessionary and inflationary gaps trigger self-correction adjustments of the short-run aggregate supply.
    • We close out this lesson in the fifth with a thought or two on how the aggregate market can be used to explain business cycle fluctuations.

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    AVERAGE REVENUE CURVE, PERFECT COMPETITION

    A curve that graphically represents the relation between average revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because average revenue is essentially the price of a good, the average revenue curve is also the demand curve for a perfectly competitive firm's output.

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    PURPLE SMARPHIN
    [What's This?]

    Today, you are likely to spend a great deal of time lost in your local discount super center hoping to buy either looseleaf notebook paper or a three-hole paper punch. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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    This isn't me! What am I?

    A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
    "Live in such a way that you would not be ashamed to sell your parrot to the town gossip."

    -- Will Rogers

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