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The Dynamic Properties of Inflation Targeting Under Uncertainty

Author

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  • Maria Demertzis
  • Nicola Viegi

Abstract

We study the implications of uncertainty for inflation targeting in a dynamic set-up. Using Svensson's inflation forecast targeting model, we compare the Brainard conservative principle to a more active monetary policy rule, derived from a two-step optimisation procedure. Our analysis points to a trade-o¤ between the ability to control expectations and the introduction of greater variability in the system. We show that Brainard's attenuation principle is optimal only in a backward looking set-up where there is no role for expectations in the determination of inflation equilibrium. On the other hand, we show that in a forward looking model, Brainard's conservative principle may produce instability, because of its inability to control expectations. A more aggressive rule, like the one derived in the paper, can instead provide greater stability because it providesfor a better and more direct management of expectations, despite the uncertainty in the transmission parameters. In that respect, we show that there are conditions under which the bene…ts of tying down expectations, more than compensate the costs of having to overuse the instrument.

Suggested Citation

  • Maria Demertzis & Nicola Viegi, 2004. "The Dynamic Properties of Inflation Targeting Under Uncertainty," DNB Staff Reports (discontinued) 113, Netherlands Central Bank.
  • Handle: RePEc:dnb:staffs:113
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    File URL: https://www.dnb.nl/binaries/sr113_tcm46-146890.pdf
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    References listed on IDEAS

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    1. Faust, Jon & Svensson, Lars E O, 2001. "Transparency and Credibility: Monetary Policy with Unobservable Goals," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 42(2), pages 369-397, May.
    2. Wieland, Volker, 2000. "Monetary policy, parameter uncertainty and optimal learning," Journal of Monetary Economics, Elsevier, vol. 46(1), pages 199-228, August.
    3. Svensson, Lars E. O., 1997. "Inflation forecast targeting: Implementing and monitoring inflation targets," European Economic Review, Elsevier, vol. 41(6), pages 1111-1146, June.
    4. Svensson, Lars E. O., 1999. "Inflation targeting as a monetary policy rule," Journal of Monetary Economics, Elsevier, vol. 43(3), pages 607-654, June.
    5. repec:cup:macdyn:v:6:y:2002:i:1:p:111-44 is not listed on IDEAS
    6. Ben S. Bernanke & Frederic S. Mishkin, 1997. "Inflation Targeting: A New Framework for Monetary Policy?," Journal of Economic Perspectives, American Economic Association, vol. 11(2), pages 97-116, Spring.
    7. Craine, Roger, 1979. "Optimal monetary policy with uncertainty," Journal of Economic Dynamics and Control, Elsevier, vol. 1(1), pages 59-83, February.
    8. M. Demertzis & N. Viegi, 2001. "Aiming for the Bull's Eye: Inflation Targeting under Uncertainty," WO Research Memoranda (discontinued) 671, Netherlands Central Bank, Research Department.
    9. Ellison, Martin & Valla, Natacha, 2001. "Learning, uncertainty and central bank activism in an economy with strategic interactions," Journal of Monetary Economics, Elsevier, vol. 48(1), pages 153-171, August.
    10. Soderstrom, Ulf, 2002. " Monetary Policy with Uncertain Parameters," Scandinavian Journal of Economics, Wiley Blackwell, vol. 104(1), pages 125-145.
    11. Svensson, Lars E O, 1999. " Inflation Targeting: Some Extensions," Scandinavian Journal of Economics, Wiley Blackwell, vol. 101(3), pages 337-361, September.
    12. Michael Woodford, 2001. "The Taylor Rule and Optimal Monetary Policy," American Economic Review, American Economic Association, vol. 91(2), pages 232-237, May.
    13. Blanchard, Olivier Jean & Kahn, Charles M, 1980. "The Solution of Linear Difference Models under Rational Expectations," Econometrica, Econometric Society, vol. 48(5), pages 1305-1311, July.
    14. Andrew T. Levin & Fabio M. Natalucci & Jeremy M. Piger, 2004. "The macroeconomic effects of inflation targeting," Review, Federal Reserve Bank of St. Louis, issue Jul, pages 51-80.
    15. Giannoni, Marc P., 2002. "Does Model Uncertainty Justify Caution? Robust Optimal Monetary Policy In A Forward-Looking Model," Macroeconomic Dynamics, Cambridge University Press, vol. 6(01), pages 111-144, February.
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    Cited by:

    1. Frederic S. Miskin & Klaus Schmidt-Hebbel, 2007. "Monetary Policy under Inflation Targeting: An Introduction," Central Banking, Analysis, and Economic Policies Book Series,in: Frederic S. Miskin & Klaus Schmidt-Hebbel & Norman Loayza (Series Editor) & Klaus Schmidt-Hebbel (Se (ed.), Monetary Policy under Inflation Targeting, edition 1, volume 11, chapter 1, pages 001-022 Central Bank of Chile.

    More about this item

    Keywords

    Inflation Targeting; Parameter Uncertainty; Two-Step Target; Dynamic Models;

    JEL classification:

    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • G31 - Financial Economics - - Corporate Finance and Governance - - - Capital Budgeting; Fixed Investment and Inventory Studies
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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