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The Money Supply Model

The Money Supply Model. Money = Currency plus checkable deposits: M1 M = C + D The Fed controls the monetary base better than it controls reserves Link the money supply ( M ) to the monetary base ( MB ) and let m be the money multiplier. Intuition Behind the Money Multiplier.

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The Money Supply Model

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  1. The Money Supply Model • Money = Currency plus checkable deposits: M1 M = C + D • The Fed controls the monetary base better than it controls reserves • Link the money supply (M) to the monetary base (MB) and let m be the money multiplier

  2. Intuition Behind the Money Multiplier

  3. Factors that AffectThe Money Multiplier • Changes in the required reserve ratio r • The money multiplier and the money supply are negatively related to r • Changes in the currency ratio c • The money multiplier and the money supply are negatively related to c • Changes in the excess reserves ratio e • The money multiplier and the money supply are negatively related to the excess reserves ratio e • The excess reserves ratio e is negatively related to the market interest rate • The excess reserves ratio e is positively related to expected deposit outflows

  4. Additional Factors • Open market operations are controlled by the Fed • The Fed cannot determine the amount of borrowing by banks from the Fed (BR = Borrowed Reserves) • Split the monetary base into two components, the nonborrowed monetary base (MBn) and BR MBn= MB - BR  M = m(MBn + BR) • The money supply is positively related to both the non-borrowed monetary base MBn and to the level of borrowed reserves, BR • Over long periods of time, the primary determinant of movements in the money supply is the nonborrowed monetary base, MBn, which is controlled by the Fed through its open market operations

  5. Money and the Great Depression • The Great Contraction in monetarist analysis • Banking Crises • Currency holdings • Excess reserve holdings • Monetary contraction

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