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Discretionary Policy, Multiple Equilibria, and Monetary Instruments

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  • Andreas Schabert

    (Faculty of Economics and Econometrics, Universiteit van Amsterdam)

Abstract

This paper examines monetary policy implementation in a sticky price model. The central bank's plan under discretionary optimization is entirely forward-looking and exhibits multiple equilibrium solutions if transactions frictions are not negligibly small. The central bank can then implement stable history dependent equilibrium sequences that are consistent with its plan by inertial interest rate adjustments or by money injections. These equilibria are associated with lower welfare losses than a forward-looking solution implemented by interest rate adjustments. The welfare gain from a history dependent implementation is found to rise with the strength of transactions frictions and the degree of price flexibility. It is further shown that the central bank's plan can uniquely be implemented in a history dependent way by money injections, whereas inertial interest rate adjustments cannot avoid equilibrium multiplicity.

Suggested Citation

  • Andreas Schabert, 2005. "Discretionary Policy, Multiple Equilibria, and Monetary Instruments," Tinbergen Institute Discussion Papers 05-098/2, Tinbergen Institute.
  • Handle: RePEc:tin:wpaper:20050098
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    References listed on IDEAS

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    Cited by:

    1. Chowdhury, Ibrahim & Schabert, Andreas, 2008. "Federal reserve policy viewed through a money supply lens," Journal of Monetary Economics, Elsevier, vol. 55(4), pages 825-834, May.
    2. Dinga, Emil & Ionescu, Cornel & Padurean, Elena, 2010. "Discretionary Policy versus Non-Discretionary Policy in the Economic Adjustment Process," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(4), pages 184-207, December.

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    More about this item

    Keywords

    Monetary policy implementation; optimal discretionary policy; history dependence; equilibrium indeterminacy; money growth policy;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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