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Optimal sustainable monetary policy

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  • Kurozumi, Takushi

Abstract

In recent monetary policy literature, optimal commitment policy and its variant from a timeless perspective have been studied with emphasis on welfare gains from policy commitment. These policies, however, involve a time-consistency problem called a stabilization bias in forward-looking models. We analyze Chari and Kehoe's [1990. Sustainable plans. Journal of Political Economy 98, 783-802] sustainable equilibrium and examine optimal sustainable policy, i.e. a policymaker's strategy in the best sustainable equilibrium. This paper shows that such a policy becomes consistent with the optimal commitment policy in sufficiently later periods. It also shows that whether the optimal sustainable policy can attain the Ramsey equilibrium outcome depends on the magnitude of shocks hitting the model economy. Moreover, the paper finds a sustainable policy that attains higher social welfare than discretionary policy does.

Suggested Citation

  • Kurozumi, Takushi, 2008. "Optimal sustainable monetary policy," Journal of Monetary Economics, Elsevier, vol. 55(7), pages 1277-1289, October.
  • Handle: RePEc:eee:moneco:v:55:y:2008:i:7:p:1277-1289
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Richard Dennis & Tatiana Kirsanova, 2013. "Expectations Traps and Coordination Failures with Discretionary Policymaking," ANU Working Papers in Economics and Econometrics 2013-611, Australian National University, College of Business and Economics, School of Economics.
    2. Kozo Ueda, 2010. "A Time-Invariant Duration Policy under the Zero Lower Bound," IMES Discussion Paper Series 10-E-12, Institute for Monetary and Economic Studies, Bank of Japan.
    3. Yang Lu & Ernesto Pasten & Robert King, 2013. "Policy design with private sector skepticism in the textbook New Keynesian model," 2013 Meeting Papers 241, Society for Economic Dynamics.
    4. Kurozumi, Takushi, 2012. "Sustainability, flexibility, and inflation targeting," Economics Letters, Elsevier, vol. 114(1), pages 80-82.
    5. Taisuke Nakata, . "Reputation and Liquidity Traps," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics.
    6. Dennis, Richard & Kirsanova, Tatiana, 2010. "Expectations Traps and Coordination Failures: Selecting among Multiple Discretionary Equilibria," MPRA Paper 24616, University Library of Munich, Germany.
    7. David Arseneau, 2012. "Expectation traps in a new Keynesian open economy model," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 49(1), pages 81-112, January.
    8. Loisel, Olivier, 2008. "Central bank reputation in a forward-looking model," Journal of Economic Dynamics and Control, Elsevier, vol. 32(11), pages 3718-3742, November.
    9. Mele, Antonio & Molnar, Krisztina & Santoro, Sergio, 2014. "On the perils of stabilizing prices when agents are learning," Discussion Paper Series in Economics 1/2015, Norwegian School of Economics, Department of Economics.
    10. Taisuke Nakata, 2018. "Reputation and Liquidity Traps," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 28, pages 252-268, April.
    11. Sunakawa, Takeki, 2015. "A quantitative analysis of optimal sustainable monetary policies," Journal of Economic Dynamics and Control, Elsevier, vol. 52(C), pages 119-135.
    12. Yusuke Kinai, 2011. "Optimal Degree of Commitment in a Tax Policy," Discussion Papers in Economics and Business 11-11, Osaka University, Graduate School of Economics and Osaka School of International Public Policy (OSIPP).
    13. Volker Hahn, 2014. "Discretionary Policy and Multiple Equilibria in a New Keynesian Model," Working Paper Series of the Department of Economics, University of Konstanz 2014-14, Department of Economics, University of Konstanz.

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