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Has monetary policy become less powerful?

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  • Jean Boivin
  • Marc Giannoni

Abstract

Recent vector autoregression (VAR) studies have shown that monetary policy shocks have had a reduced effect on the economy since the beginning of the 1980s. This paper investigates the causes of this change. First, we estimate an identified VAR over the pre- and post-1980 periods, and corroborate the existing results suggesting a stronger systematic response of monetary policy to the economy in the later period. Second, we present and estimate a fully specified model that replicates well the dynamic response of output, inflation, and the federal funds rate to monetary policy shocks in both periods. Using the estimated structural model, we perform counterfactual experiments to quantify the relative importance of changes in monetary policy and changes in the private sector in explaining the reduced effect of monetary policy shocks. The main finding is that changes in the systematic elements of monetary policy are consistent with a more stabilizing monetary policy in the post-1980 period and largely account for the reduced effect of unexpected exogenous interest rate shocks. Consequently, there is little evidence that monetary policy has become less powerful.

Suggested Citation

  • Jean Boivin & Marc Giannoni, 2001. "Has monetary policy become less powerful?," Staff Reports 144, Federal Reserve Bank of New York.
  • Handle: RePEc:fip:fednsr:144
    Note: For a published version of this report, see Jean Boivin and Marc P. Giannoni, "Has Monetary Policy Become More Effective?" Review of Economics and Statistics 88, no. 3 (August 2006): 445-62. This paper was previously circulated under the title: “The Monetary Transmission Mechanism: Has it Changed?”
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    References listed on IDEAS

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    More about this item

    Keywords

    Transmission of monetary policy; Vector autoregression; Minimum distance estimation; Habit-formation; Dynamic general equilibrium model;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • E3 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles

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