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PERFECT COMPETITION, REVENUE DIVISION: The marginal approach to analyzing a perfectly competitive firm's short-run profit maximizing production decision can be used to identify the division of total revenue among variable cost, fixed cost, and economic profit. The U-shaped cost curves used in this analysis provide all of the information needed on the cost side of the firm's decision. The demand curve facing the firm (which is also the firm's average revenue and marginal revenue curves) provides all of the information needed on the revenue side.

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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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    MARGINALLY-ATTACHED WORKERS

    People who are willing and able to work, who have either held a job or searched for employment within the last year, but are not actively seeking employment. Discouraged workers, people who are willing and able to engage in productive activities, but due to their overwhelming lack of success believe that any effort to find a job will be fruitless so they have stopped seeking employment, fall within this broader category of marginally-attached workers. People can be marginally attached to the labor force for a variety of reasons, discouraged workers, in contrast, achieve their designation specifically because they believe search efforts are not worthwhile.

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    APLS

    ORANGE REBELOON
    [What's This?]

    Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors looking to buy either a turbo-powered vacuum cleaner or a battery-powered, rechargeable vacuum cleaner. Be on the lookout for the happiest person in the room.
    Your Complete Scope

    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.
    "Difficulties mastered are opportunities won. "

    -- Winston Churchill, Statesman

    JRE
    Journal of Regulatory Economics
    A PEDestrian's Guide
    Xtra Credit
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