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Monetary policy committees and interest rate smoothing

Author

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  • Montoro, Carlos
Abstract
We extend the New Keynesian Monetary Policy literature relaxing the assumption that the decisions are taken by a single policymaker, considering instead that monetary policy decisions are taken collectively in a committee. We introduce a Monetary Policy Committee (MPC), whose members have different preferences between output and inflation variability and have to vote on the level of the interest rate. This paper helps to explain interest rate smoothing from a political economy point of view, in which MPC members face a bargaining problem on the level of the interest rate. In this framework, the interest rate is a non-linear reaction function on the lagged interest rate and the expected inflation. This result comes from a political equilibrium in which there is a strategic behaviour of the agenda setter with respect to the rest of the MPC’s members. Our approach can also reproduce both features documented by the empirical evidence on interest rate smoothing: a) the modest response of the interest rate to inflation and output gap; and b) the dependence on lagged interest rate; features that are difficult to reproduce in standard New Keynesian models all together. It also provides a theoretical framework on how disagreement among policymakers can slow down the adjustment on interest rates and on “menu costs” in interest rate decisions. Furthermore, a numerical exercise shows that this inertial behaviour of the interest rate is internalised by the economic agents through an increase in expected inflation.

Suggested Citation

  • Montoro, Carlos, 2007. "Monetary policy committees and interest rate smoothing," LSE Research Online Documents on Economics 19752, London School of Economics and Political Science, LSE Library.
  • Handle: RePEc:ehl:lserod:19752
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    References listed on IDEAS

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    Cited by:

    1. Bernd Hayo & Pierre-Guillaume Méon, 2013. "Behind closed doors: Revealing the ECB’s decision rule," Post-Print CEB, ULB -- Universite Libre de Bruxelles, vol. 37, pages 135-160, October.
    2. Carsten Hefeker & Blandine Zimmer, 2015. "Optimal Conservatism and Collective Monetary Policymaking under Uncertainty," Open Economies Review, Springer, vol. 26(2), pages 259-278, April.
    3. Farvaque, Etienne & Matsueda, Norimichi & Méon, Pierre-Guillaume, 2009. "How monetary policy committees impact the volatility of policy rates," Journal of Macroeconomics, Elsevier, vol. 31(4), pages 534-546, December.
    4. Hahn, Volker, 2016. "Designing monetary policy committees," Journal of Economic Dynamics and Control, Elsevier, vol. 65(C), pages 47-67.
    5. Saito, Yuta, 2024. "Expectations for the MPC chair and interest rate persistence," Mathematical Social Sciences, Elsevier, vol. 128(C), pages 25-30.
    6. D. Masciandaro, 2019. "What Bird Is That? Central Banking And Monetary Policy In The Last Forty Years," BAFFI CAREFIN Working Papers 19127, BAFFI CAREFIN, Centre for Applied Research on International Markets Banking Finance and Regulation, Universita' Bocconi, Milano, Italy.
    7. Hamza Bennani, 2016. "Measuring Monetary Policy Stress for Fed District Representatives," Scottish Journal of Political Economy, Scottish Economic Society, vol. 63(2), pages 156-176, May.
    8. VanderHart, Peter G., 2009. "What is the best way to impede a central bank?," The Quarterly Review of Economics and Finance, Elsevier, vol. 49(3), pages 784-797, August.

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    More about this item

    Keywords

    Monetary Policy Committee; interest rate smoothing; New Keynesian Economics; political economy;
    All these keywords.

    JEL classification:

    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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