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Monetary Policy Shifts, Indeterminacy and Inflation Dynamics

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  • Paolo Surico

    (Monetary Assessment & Strategy Division Bank of England)

Abstract

The New-Keynesian Phillips curve plays a central role in modern macroeconomic theory. A vast empirical literature has estimated this structural relationship over various postwar full-samples. While it is well know that in a New-Keynesian model a `weak' central bank response to inflation generates sunspot fluctuations, the consequences of pooling observations from different monetary policy regimes for the estimates of the structural Phillips curve had not been investigated. Using Montecarlo simulations from a purely forward-looking model, this paper shows that indeterminacy can introduce a sizable persistence in the estimated process of inflation. This persistence however is not an intrinsic feature of the economy; rather it is endogenous to the policy regime and results from the self full-filling nature of inflation expectations. By neglecting indeterminacy the estimates of the forward-looking term of the structural Phillips curve are shown to be biased downward. The implications are in line with the empirical evidence for the U.K and U.S

Suggested Citation

  • Paolo Surico, 2005. "Monetary Policy Shifts, Indeterminacy and Inflation Dynamics," Computing in Economics and Finance 2005 313, Society for Computational Economics.
    • Handle: RePEc:sce:scecf5:313
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    Cited by:

    1. Efrem Castelnuovo, 2006. "Monetary Policy Switch, the Taylor Curve, and the Great Moderation," Computing in Economics and Finance 2006 59, Society for Computational Economics.

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    More about this item

    Keywords

    indeterminacy; New-Keynesian Phillips curve; Montecarlo; bias; persistence;
    All these keywords.

    JEL classification:

    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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