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AFRICAN DEVELOPMENT BANK: A regional multilateral development institution engaged in promoting the economic development and social progress of its member countries in Africa. The Bank, established in 1964, started functioning in 1966 with its Headquarters in Abidjan, Cote d' lvoire. The Bank borrows funds from the international money and capital markets. Its shareholders are the 53 countries in Africa as well as 24 countries in the Americas, Europe, and Asia.

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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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    MACROECONOMIC SECTORS

    The four aggregate sectors of the macroeconomy--household, business, government, and foreign--that reflect four key macroeconomic functions and are responsible for four expenditures on gross domestic product. These four sectors are the primary "actors" on the macroeconomic stage. Macroeconomic theories then explain macroeconomic phenomena by exploring the interaction among these four sectors.

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    APLS

    WHITE GULLIBON
    [What's This?]

    Today, you are likely to spend a great deal of time strolling through a department store wanting to buy either a T-shirt commemorating the first day of winter or software that won't crash your computer. Be on the lookout for slow moving vehicles with darkened windows.
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    This isn't me! What am I?

    A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
    "The secret of getting ahead is getting started. The secret of getting started is breaking your complex, overwhelming tasks into small manageable tasks, and then starting on the first one. "

    -- Mark Twain, writer

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    Journal of Law and Economics
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