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

This paper offers a framework to study commitment and cooperation issues in games with multiple policymakers. To reconcile some puzzles in the recent literature on the nature of policy interactions among nations, we prove that games characterized by different commitment and cooperation schemes can admit the same equilibrium outcome if certain spillover effects vanish at the common solution of these games. We provide a detailed discussion of these spillovers, showing that, in general, commitment and cooperation are non-trivial issues. Yet, in linear-quadratic models with multiple policymakers commitment and cooperation schemes are shown to become irrelevant under certain assumptions. The framework is sufficiently general to cover a broad range of results from the recent literature on policy interactions as special cases, both within monetary unions and among fully sovereign nations.

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File URL: ftp://mse.univ-paris1.fr/pub/mse/CES2008/V08071.pdf
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Paper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number v08071.

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Length: 38 pages
Date of creation: Dec 2008
Date of revision:
Handle: RePEc:mse:cesdoc:v08071
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  18. Persson, Torsten & Tabellini, Guido, 1995. "Double-edged incentives: Institutions and policy coordination," Handbook of International Economics, in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 38, pages 1973-2030 Elsevier.
  19. Beetsma Roel M.W.J. & Bovenberg A. Lans, 1995. "Monetary union without fiscal coordination may discipline policymakers," Research Memorandum 024, Maastricht University, Maastricht Research School of Economics of Technology and Organization (METEOR).
  20. Uhlig, H.F.H.V.S., 2002. "One Money, But Many Fiscal Policies in Europe : What are the Consequences?," Discussion Paper 2002-32, Tilburg University, Center for Economic Research.
  21. Chari, V V & Kehoe, Patrick J, 1990. "International Coordination of Fiscal Policy in Limiting Economies," Journal of Political Economy, University of Chicago Press, vol. 98(3), pages 617-36, June.
  22. Calmfors, Lars, 2001. "Unemployment, Labor Market Reform, and Monetary Union," Journal of Labor Economics, University of Chicago Press, vol. 19(2), pages 265-89, April.
  23. Sutherland, Alan, 2004. "International Monetary Policy Coordination and Financial Market Integration," CEPR Discussion Papers 4251, C.E.P.R. Discussion Papers.
  24. Russell Cooper & Hubert Kempf, 2002. "Overturning Mundell: fiscal policy in a monetary union," Staff Report 311, Federal Reserve Bank of Minneapolis.
  25. V. V. Chari & Patrick J. Kehoe, 1998. "On the need for fiscal constraints in a monetary union," Working Papers 589, Federal Reserve Bank of Minneapolis.
  26. Maurice Obstfeld & Kenneth Rogoff, 2003. "Global Implications of Self-Oriented National Monetary Rules," Macroeconomics 0303018, EconWPA.
  27. Günter Coenen & Giovanni Lombardo & Frank Smets & Roland Straub, 2007. "International Transmission and Monetary Policy Cooperation," NBER Chapters, in: International Dimensions of Monetary Policy, pages 157-192 National Bureau of Economic Research, Inc.
  28. Canzoneri, Matthew B. & Henderson, Dale W., 1988. "Is sovereign policymaking bad?," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 28(1), pages 93-140, January.
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  30. Dixit, Avinash & Lambertini, Luisa, 2001. "Monetary-fiscal policy interactions and commitment versus discretion in a monetary union," European Economic Review, Elsevier, vol. 45(4-6), pages 977-987, May.
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  33. Beetsma, R.M.W.J. & Bovenberg, A.L., 1995. "Monetary union without fiscal coordination may discipline policymakers," Discussion Paper 1995-59, Tilburg University, Center for Economic Research.
  34. Gilles Oudiz & Jeffrey Sachs, 1984. "Macroeconomic Policy Coordination among the Industrial Economies," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 15(1), pages 1-76.
  35. Lombardo, Giovanni & Sutherland, Alan, 2003. "Monetary and fiscal interactions in open economies," Working Paper Series 0289, European Central Bank.
  36. Matthew B. Canzoneri & Dale W. Henderson, 1991. "Monetary Policy in Interdependent Economies: A Game-Theoretic Approach," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262031787, June.
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