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ADJUSTMENT, SHORT-RUN AGGREGATE MARKET: Disequilibrium in the short-run aggregate market induces changes in the price level that restore equilibrium. If the price level is above the short-run equilibrium price level, economy-wide product market surpluses cause the price level to fall. If the price level is below the short-run equilibrium price level, economy-wide product market shortages cause the price level to rise. In both cases short-run equilibrium is restored. You might want to compare adjustment, long-run aggregate market. Price level changes induce changes in both aggregate expenditures and real production. Unlike the long-run aggregate market, changes in the price level can induce changes in short-run aggregate supply, making it greater or less than full-employment real production.

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Lesson Contents
Unit 1: What It Is
  • Banking
  • Intermediary
  • Unit 1 Summary
  • Unit 2: Banking Details
  • Types
  • Commercial Banks
  • S&Ls
  • Credit Unions
  • Savings Banks
  • Balance Sheet
  • Unit 2 Summary
  • Unit 3: Reserve Banking
  • Reserves
  • Legal, Required, and Excess Reserves
  • Goldsmith
  • Goldsmith Deposits
  • Goldsmith Loans
  • Goldsmith Reserves
  • Unit 3 Summary
  • Unit 4: Regulating Banks
  • Why?
  • Who?
  • How?
  • Unit 4 Summary
  • Unit 5: The Economy
  • Benefits
  • Problems
  • Unit 5 Summary
  • Course Home
    Banking

    In this lesson, we take a look at the role banking plays in the macroeconomy. Banking is most important to the study of macroeconomics because a substantial fraction of the economy's money supply is under the direct control of commercial banks (as opposed to government). Because government needs to control the money supply to promote business-cycle stability, they need to control banks control of the money supply. As such, we need to take a look at how banks operate, including how they issue the deposits that make up the money supply.

    • The first unit opens this lesson with an overview of banks and the banking system, including their role as financial intermediaries.
    • Moving into the second unit, we take a closer look at the banking system, especially the four basic types of banks (banks, savings and loans, credit unions, and mutual savings banks) and the assorted assets and liabilities of a typical bank.
    • The key banking principle -- fractional-reserve banking -- is then discussed in the third unit with a little story about Fred the Goldsmith.
    • The fourth unit of this lesson discusses the why, how, and who of bank regulation.
    • The fifth and final unit then examines the benefits and problems of fractional-reserve banking for the macroeconomy.

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    AVERAGE FACTOR COST CURVE, PERFECT COMPETITION

    A curve that graphically represents the relation between average factor cost incurred by a perfectly competitive firm for employing an input and the quantity of input used. Because average factor cost is essentially the price of the input, the average factor cost curve is also the supply curve for the input. The average factor cost curve for a perfectly competitive firm with no market control is horizontal. The average revenue curve for a firm with market control is positively sloped.

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    APLS

    RED AGGRESSERINE
    [What's This?]

    Today, you are likely to spend a great deal of time at a flea market trying to buy either a 200-foot blue garden hose or a video camera with stop action features. Be on the lookout for letters from the Internal Revenue Service.
    Your Complete Scope

    This isn't me! What am I?

    Before 1933, the U.S. dime was legal as payment only in transactions of $10 or less.
    "When you play, play hard; when you work, don't play at all. "

    -- Theodore Roosevelt, 26th US president

    PIH
    Permanent Income Hypothesis
    A PEDestrian's Guide
    Xtra Credit
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