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WEALTH DISTRIBUTION: The manner in which wealth is divided among the members of the economy. A perfectly equal wealth distribution would mean everyone in the country has exactly the same wealth. In reality, wealth is unequally distributed. A few people have a great deal of wealth and most others have less. Any well-functioning economy, that's doing a pretty good job of satisfying consumer wants and needs, will have some degree of inequality in the distribution of wealth. This occurs because some people have done a good job of producing what people want, and thus grow wealthy. However, wealth tends to perpetuate itself, over and above what may be justified by valuable production. Along with wealth comes market control, political power, and the ability to accumulate more wealth at the expense of others.

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Lesson Contents
Unit 1: The Concept
  • What It Is
  • Two Sides: SRAS
  • Two Sides: LRAS
  • Two Sides: AD
  • Two Traits
  • Unit 1 Summary
  • Unit 2: Equilibrium
  • Concept
  • Three Markets
  • Moving Target
  • Unit 2 Summary
  • Unit 3: Doing Curves
  • Long-Run Equilibrium
  • Long-Run Disequilibrium: Too High
  • Long-Run Disequilibrium: Too Low
  • Short-Run Equilibrium
  • Unit 3 Summary
  • Unit 4: Self Correction
  • Short Run
  • Recessionary Gap
  • Inflationary Gap
  • Unit 4 Summary
  • Unit 5: Policy Preview
  • Time
  • Time of Adjustment
  • Unit 5 Summary
  • Course Home
    Aggregate Market

    This lesson is devoted to the exposition of the aggregate market, which combines the aggregate demand curve and the two aggregate supply curves into two related models used to analyze the macroeconomy. The main focus of this lesson is on how each of the two models, one for the short run and one for the long run, achieve equilibrium. A key conclusion is that the short-run equilibrium does not necessarily correspond to the full-employment production achieved by the long-run equilibrium. This creates recessionary and inflation gaps, which correspond to the macroeconomic problems of unemployment and inflation.

    • In the first unit of this lesson we ponder the basics of the aggregate market, including the importance of aggregate demand, aggregate supply, the price level, real production, unemployment, and inflation.
    • Moving into the second unit, we review the concept of equilibrium and see how it relates to the aggregate market in both the short run and the long run.
    • The third unit analyzes short and long-run equilibrium by combining the aggregate demand, short-run aggregate supply, and long-run aggregate supply curves.
    • The topic of self-correction is examined in the fourth unit, especially how automatic shifts of the short-run aggregate supply curve can eliminate recessionary and inflationary gaps.
    • The fifth and final unit of this lesson previews the use of the aggregate market to analyze business cycle stabilization policies, with particular emphasis on the time period of adjustment.

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    ABSTRACTION

    Simplifying the complexities of the real world by ignoring (hopefully) unimportant details while doing economic analysis. Abstraction is an essential feature of the scientific method. Hypothesis verification, model construction, and comparative static analysis are not possible without abstraction.

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    WHITE GULLIBON
    [What's This?]

    Today, you are likely to spend a great deal of time wandering around the downtown area hoping to buy either galvanized steel storage shelves or a large green chalkboard shaped like the state of Maine. Be on the lookout for infected paper cuts.
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    This isn't me! What am I?

    A half gallon milk jug holds about $50 in pennies.
    "In a time of drastic change, it is the learners who inherit the future. "

    -- Eric Hoffer, philosopher

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