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The Importance of Commitment in the New Keynesian Model

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  • Lam Jean-Paul

    (University of Waterloo)

Abstract

In the New Keynesian model, even if the central bank does not have an over-ambitious output target, policy under discretion leads to an inefficiency known as the stabilization bias. In this paper, using a New Keynesian model, we explore and quantify how a cost channel and multi-period data revisions affect the size of the stabilization bias. We find that the presence of a cost channel in the model increases the stabilization bias significantly. On the other hand, multi-period revisions to output and inflation reduce the inefficiency associated with discretionary policy.

Suggested Citation

  • Lam Jean-Paul, 2010. "The Importance of Commitment in the New Keynesian Model," The B.E. Journal of Macroeconomics, De Gruyter, vol. 10(1), pages 1-23, November.
    • Handle: RePEc:bpj:bejmac:v:10:y:2010:i:1:n:34
    DOI: 10.2202/1935-1690.2088
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    Cited by:

    1. Esteban Pérez Caldentey & Matías Vernengo, 2013. "Is inflation targeting operative in an open economy setting?," Review of Keynesian Economics, Edward Elgar Publishing, vol. 1(3), pages 347-369, January.
    2. Jakob Palek, 2015. "The Optimal Monetary and Fiscal Policy Mix in a Financially Heterogeneous Monetary Union," MAGKS Papers on Economics 201506, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
    3. Palek, Jakob, 2015. "The Optimal Monetary and Fiscal Policy Mix in a Financially Heterogeneous Monetary Union," VfS Annual Conference 2015 (Muenster): Economic Development - Theory and Policy 113047, Verein für Socialpolitik / German Economic Association.
    4. Matthias Lengnick & Hans-Werner Wohltmann, 2013. "Agent-based financial markets and New Keynesian macroeconomics: a synthesis," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 8(1), pages 1-32, April.
    5. Palek, Jakob & Schwanebeck, Benjamin, 2017. "Financial frictions and optimal stabilization policy in a monetary union," Economic Modelling, Elsevier, vol. 61(C), pages 462-477.
    6. Ali, Syed Zahid & Anwar, Sajid, 2013. "Inflation and interest rates in the presence of a cost channel, wealth effect and agent heterogeneity," Economic Modelling, Elsevier, vol. 31(C), pages 286-296.
    7. Jochen Michaelis & Jakob Palek, 2014. "Optimal Monetary Policy in a Currency Union: Implications of a Country-specific Cost Channel," MAGKS Papers on Economics 201444, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).

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    More about this item

    Keywords

    stabilization bias; discretion; commitment; cost-channel; information lags; data revisions;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination

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