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Optimal price-level drift under commitment in the canonical New Keynesian model

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  • Robert Amano
  • Steve Ambler
  • Malik Shukayev

Abstract

In both the canonical and many extended versions of the New Keynesian model, optimal monetary policy under commitment implies price-level stationarity as long as expectations are rational. We show that this is no longer the case if the central bank and private agents make decisions before observing current shocks. The optimal amount of price-level drift in response to unexpected innovations to inflation is quantitatively important. This result has important implications for monetary policy, including the design of the optimal loss function for the central bank if it cannot commit to its future policies.

Suggested Citation

  • Robert Amano & Steve Ambler & Malik Shukayev, 2012. "Optimal price-level drift under commitment in the canonical New Keynesian model," Canadian Journal of Economics, Canadian Economics Association, vol. 45(3), pages 1023-1036, August.
    • Handle: RePEc:cje:issued:v:45:y:2012:i:3:p:1023-1036
    DOI: 10.1111/j.1540-5982.2012.01725.x
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    Cited by:

    1. Hatcher, Michael, 2014. "Indexed versus nominal government debt under inflation and price-level targeting," Journal of Economic Dynamics and Control, Elsevier, vol. 45(C), pages 126-145.
    2. Michael Hatcher & Patrick Minford, 2016. "Stabilisation Policy, Rational Expectations And Price-Level Versus Inflation Targeting: A Survey," Journal of Economic Surveys, Wiley Blackwell, vol. 30(2), pages 327-355, April.
    3. Gerberding, Christina & Gerke, Rafael & Hammermann, Felix, 2010. "Price-level targeting when there is price-level drift," Discussion Paper Series 1: Economic Studies 2010,23, Deutsche Bundesbank.

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    More about this item

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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