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Nonuniqueness of solutions in applied general equilibrium models with scale economies and imperfect competition

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  • Jean Mercenier

Abstract

Applied general equilibrium models with imperfect competition and economies of scale have been extensively used for analyzing international trade and development policy issues. They offer a natural framework for testing the empirical relevance of propositions from the industrial organization and new trade theoretical literature. This paper warns model builders and users that considerable caution is needed in interpreting the results and deriving strong policy conclusions from these models: in this generation of applied general equilibrium models, nonuniqueness of equilibria is not a theoretical curiosum, but a potentially serious problem. Disregarding this may lead to dramatically wrong policy appraisals.

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Bibliographic Info

Paper provided by Federal Reserve Bank of Minneapolis in its series Staff Report with number 183.

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Date of creation: 1994
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Handle: RePEc:fip:fedmsr:183

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Keywords: Competition ; Economies of scale;

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  3. Timothy J. Kehoe, 1979. "An Index Theorem for General Equilibrium Models with Production," Cowles Foundation Discussion Papers 516, Cowles Foundation for Research in Economics, Yale University.
  4. Harris, Richard, 1984. "Applied General Equilibrium Analysis of Small Open Economies with Scale Economies and Imperfect Competition," American Economic Review, American Economic Association, vol. 74(5), pages 1016-32, December.
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Citations

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Cited by:
  1. Mercenier, J. & Akitoby, B., 1994. "On Intertemporal General-Equilibrium Reallocation Effects of Europe's Move to a Single Market," Cahiers de recherche 9401, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
  2. Ghosh, Madanmohan & Rao, Someshwar, 2005. "A Canada-U.S. customs union: Potential economic impacts in NAFTA countries," Journal of Policy Modeling, Elsevier, vol. 27(7), pages 805-827, October.
  3. Pierre Picard & Takatoshi Tabuchi, 2007. "Self-organized Agglomerations and Transport Costs," The School of Economics Discussion Paper Series 0712, Economics, The University of Manchester.
  4. Georges, Patrick, 2008. "Toward a North American customs union: Rules of origin liberalization matters more than a common external tariff for Canada," The North American Journal of Economics and Finance, Elsevier, vol. 19(3), pages 304-318, December.
  5. Conrad, Klaus, 2001. "Computable General equilibrium Models in Environmental and Resource Economics," Discussion Papers 601, Institut fuer Volkswirtschaftslehre und Statistik, Abteilung fuer Volkswirtschaftslehre.
  6. Mercenier, Jean & Yeldan, A. Erinc, 1996. "On Turkey's European Trade Policy: How Desirable is a Status Quo," 1996: Implications of the New Growth Theory to Agricultural Trade Research and Trade Policy Conference, December 1996, Washington DC 50865, International Agricultural Trade Research Consortium.
  7. Klaus Ritzberger & Frank Milne, 2002. "Strategic pricing of equity issues," Economic Theory, Springer, vol. 20(2), pages 271-294.
  8. Dakhlia, Sami, 1999. "Testing for a unique equilibrium in applied general equilibrium models," Journal of Economic Dynamics and Control, Elsevier, vol. 23(9-10), pages 1281-1297, September.
  9. Gustavo Gonzaga & Maria Cristina Terra & Jorge Cavalcante, 1997. "O impacto do Mercosul sobre o emprego setorial no Brasil," Textos para discussão 382, Department of Economics PUC-Rio (Brazil).
  10. Mercenier, Jean & Yeldan, Erinc, 1999. "A Plea For Greater Attention on the Data in Policy Analysis," Journal of Policy Modeling, Elsevier, vol. 21(7), pages 851-873, December.
  11. Kimakova, Alena & Rajabiun, Reza, 1999. "An Applied General Equilibrium Analysis of EU Integration for Hungary and Slovakia," Transition Economics Series 9, Institute for Advanced Studies.
  12. Dirk Willenbockel, 2005. "The Price Normalisation Problem in General Equilibriun Models with Oligopoly Power: An Attempt at Perspective," GE, Growth, Math methods 0505002, EconWPA.

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