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Time-consistent implementation in macroeconomic games

Author

Listed:
  • Barthelemy, Jean

    (Banque de France)

  • Mengus, Eric

    (Department of Economics and Decision Sciences, HEC Paris and CEPR)

Abstract

The commitment ability of governments is neither infinite nor zero but intermediate. In this paper, we determine the commitment ability that a government needs to implement a unique equilibrium outcome and rule out self-fulfilling expectations. We show that, in a large class of static macroeconomic games, the government can obtain a unique equilibrium with any low level of commitment ability. We finally derive implications for models of bailouts and capital taxation.

Suggested Citation

  • Barthelemy, Jean & Mengus, Eric, 2024. "Time-consistent implementation in macroeconomic games," Theoretical Economics, Econometric Society, vol. 19(3), July.
    • Handle: RePEc:the:publsh:5866
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    References listed on IDEAS

    as
    1. Kenneth Rogoff, 1985. "The Optimal Degree of Commitment to an Intermediate Monetary Target," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 100(4), pages 1169-1189.
    2. Roc Armenter, 2008. "A General Theory (and Some Evidence) of Expectation Traps in Monetary Policy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(5), pages 867-895, August.
    3. Roc Armenter, 2008. "A General Theory (and Some Evidence) of Expectation Traps in Monetary Policy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(5), pages 867-895, August.
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    Cited by:

    1. Gaballo, Gaetano & Mengus, Eric, 2023. "Myopic fiscal objectives and long-Run monetary efficiency," Journal of Monetary Economics, Elsevier, vol. 136(C), pages 1-17.

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    More about this item

    Keywords

    Implementation; limited commitment; policy rules;
    All these keywords.

    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • 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
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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