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International Policy Cooperation and Model Uncertainty


  • Holtham, Gerald
  • Hughes Hallett, Andrew


The main obstacles to coordinating policies in practice are uncertainty about the correct model to use for policy design, and uncertainty about external variables. This paper examines the former problem. Numerical calculations using ten models from the recent Brookings Multicountry comparison exercise showed both policies and the gains to coordination are quite sensitive to model variations - and hence to model errors. A framework is therefore set up in which policy-makers are able to choose their model and their policies jointly in order to try and protect the gains from coordination from potential model misspecifications and/or disagreements over which model is most appropriate. That produces an alternative policy bargaining system and better results in terms of the success of coordination.

Suggested Citation

  • Holtham, Gerald & Hughes Hallett, Andrew, 1987. "International Policy Cooperation and Model Uncertainty," CEPR Discussion Papers 190, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:190

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    References listed on IDEAS

    1. Huizinga, John, 1987. "An empirical investigation of the long-run behavior of real exchange rates," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 27(1), pages 149-214, January.
    2. Willem H. Buiter & Douglas D. Purvis, 1980. "Oil, Disinflation, and Export Competitiveness: A Model of the "Dutch Disease"," NBER Working Papers 0592, National Bureau of Economic Research, Inc.
    3. Eastwood, R K & Venables, A J, 1982. "The Macroeconomic Implications of a Resource Discovery in an Open Economy," Economic Journal, Royal Economic Society, vol. 92(366), pages 285-299, June.
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    Cited by:

    1. Jeffrey A. Frankel., 1987. "Obstacles to International Macroeconomic Policy Coordination," Economics Working Papers 8737, University of California at Berkeley.
    2. Eichengreen, Barry & Ghironi, Fabio, 1997. "European Monetary Unification and International Monetary Cooperation," Center for International and Development Economics Research, Working Paper Series qt10d518tg, Center for International and Development Economics Research, Institute for Business and Economic Research, UC Berkeley.
    3. Roel M. W. J. Beetsma & Xavier Debrun & Franc Klaassen, 2001. "Is Fiscal Policy Coordination in EMU Desirable?," IMF Working Papers 01/178, International Monetary Fund.
    4. Yiyong Cai & Warwick McKibbin, 2015. "Uncertainty and International Climate Change Negotiations," Italian Economic Journal: A Continuation of Rivista Italiana degli Economisti and Giornale degli Economisti, Springer;Società Italiana degli Economisti (Italian Economic Association), vol. 1(1), pages 101-115, March.
    5. Patrick Artus, 1992. "Passage à l'union économique et monétaire en Europe : effets sur la croissance et les politiques budgétaires," Économie et Prévision, Programme National Persée, vol. 106(5), pages 123-137.
    6. Thomas Willett, 1999. "Developments in the Political Economy of Policy Coordination," Open Economies Review, Springer, vol. 10(2), pages 221-253, May.
    7. Jeffrey Frankel & Scott Erwin & Katharine Rockett, 1991. "A Note on Internationally Coordinated Policy Packages Intended to be Robust Under Model Uncertainty," NBER Working Papers 3747, National Bureau of Economic Research, Inc.
    8. A.J. Hallet, 1998. "When Do Target Zones Work? An Examination of Exchange Rate Targeting as a Device for Coordinating Economic Policies," Open Economies Review, Springer, vol. 9(2), pages 115-138, April.
    9. Carlo Carraro, 1997. "Modelling International Policy Games: Lessons from European Monetary Coordination," Empirica, Springer;Austrian Institute for Economic Research;Austrian Economic Association, vol. 24(3), pages 163-177, October.
    10. Matthew B. Canzoneri & Hali J. Edison, 1990. "A new interpretation of the coordination problem and its empirical significance," Proceedings, Board of Governors of the Federal Reserve System (U.S.), pages 399-435.


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