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On policy interactions among nations: when do cooperation and commitment matter ?

Author

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  • Hubert Kempf

    (Université Paris 1, Banque de France)

  • Leopold von Thadden

    (European Central Bank)

Abstract

This paper offers a comprehensive framework to study commitment and cooperation issues in games with multiple policymakers. To reconcile some puzzles in the recent literature on policy interactions in monetary unions, we prove that games characterized by different commitment and cooperation schemes can have the same equilibrium if certain spillover effects vanish at the common equilibrium of these games. We provide a detailed discussion of these spillovers, showing that, in general, commitment and cooperation are non-trivial issues. Yet, models of the linear-quadratic variety with multiple policymakers can generate a `symbiotic' result where commitment and cooperation issues are irrelevant and where the unique equilibrium of any game is the bliss point. The proposed framework is sufficiently general to allow for a broad discussion of policymaking in monetary unions and policy interactions among nations.

Suggested Citation

  • Hubert Kempf & Leopold von Thadden, 2007. "On policy interactions among nations: when do cooperation and commitment matter ?," 2007 Meeting Papers 801, Society for Economic Dynamics.
    • Handle: RePEc:red:sed007:801
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    Cited by:

    1. Roel Beetsma & Massimo Giuliodori, 2010. "The Macroeconomic Costs and Benefits of the EMU and Other Monetary Unions: An Overview of Recent Research," Journal of Economic Literature, American Economic Association, vol. 48(3), pages 603-641, September.
    2. Kempf, Hubert & von Thadden, Leopold, 2013. "When do cooperation and commitment matter in a monetary union?," Journal of International Economics, Elsevier, vol. 91(2), pages 252-262.
    3. Paolo Canofari & Giovanni Bartolomeo & Giovanni Piersanti, 2014. "Theory and Practice of Contagion in Monetary Unions: Domino Effects in EMU Mediterranean Countries," International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 20(3), pages 259-267, August.
    4. Hubert Kempf, 2020. "Designing the Policy Mix in a Monetary Union," CESifo Working Paper Series 8321, CESifo.

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    More about this item

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E63 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy

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