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Does it Matter Whether Market Distortions are Evaluated Using Comparative-statics or Dynamics?


  • Peter G. Mavromatis
  • George Verikios


We analyse the welfare outcomes of market distortions using a general-equilibrium model of a small, open economy that captures the trade-theoretic continuum from specific factors to Heckscher-Ohlin. We show the importance of two intrinsically dynamic phenomena on evaluating market distortions: structural change and imperfect factor mobility. We find that when these phenomena are captured in a dynamic framework, market distortions can generate welfare effects that contradict those generated by a comparative-static framework. We also find that the degree of factor mobility is important for accurately estimating the size of welfare effects. Our results suggest that market distortions should be evaluated in a dynamic framework that represents structural change and imperfect factor mobility, and that the degree of factor mobility should be treated as a parameter whose value is uncertain and subjected to sensitivity analysis.

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  • Peter G. Mavromatis & George Verikios, 2008. "Does it Matter Whether Market Distortions are Evaluated Using Comparative-statics or Dynamics?," Centre of Policy Studies/IMPACT Centre Working Papers g-178, Victoria University, Centre of Policy Studies/IMPACT Centre.
  • Handle: RePEc:cop:wpaper:g-178

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    References listed on IDEAS

    1. Begg, Iain, 1995. "Factor Mobility and Regional Disparities in the European Union," Oxford Review of Economic Policy, Oxford University Press, vol. 11(2), pages 96-112, Summer.
    2. Silva, Ester G. & Teixeira, Aurora A.C., 2008. "Surveying structural change: Seminal contributions and a bibliometric account," Structural Change and Economic Dynamics, Elsevier, vol. 19(4), pages 273-300, December.
    3. DeVuyst, Eric A. & Preckel, Paul V., 1997. "Sensitivity analysis revisited: A quadrature-based approach," Journal of Policy Modeling, Elsevier, vol. 19(2), pages 175-185, April.
    4. Arnold C. Harberger, 1962. "The Incidence of the Corporation Income Tax," Journal of Political Economy, University of Chicago Press, vol. 70, pages 215-215.
    5. Hiscox, Michael J., 2001. "Class Versus Industry Cleavages: Inter-Industry Factor Mobility and the Politics of Trade," International Organization, Cambridge University Press, vol. 55(01), pages 1-46, December.
    6. Jonathan Eaton, 1987. "A Dynamic Specific-Factors Model of International Trade," Review of Economic Studies, Oxford University Press, vol. 54(2), pages 325-338.
    7. Kouparitsas, Michael A., 2001. "Should trade barriers be phased-out slowly? A case study of North America," Journal of Policy Modeling, Elsevier, vol. 23(8), pages 875-900, November.
    8. Baxter, Marianne, 1992. "Fiscal Policy, Specialization, and Trade in the Two-Sector Model: The Return of Ricardo?," Journal of Political Economy, University of Chicago Press, vol. 100(4), pages 713-744, August.
    9. Terrie L. Walmsley & Thomas W. Hertel & Elena Ianchovichina, 2006. "Assessing The Impact Of China'S Wto Accession On Investment," Pacific Economic Review, Wiley Blackwell, vol. 11(3), pages 315-339, October.
    10. Ishii, Naoko & McKibbin, Warwick & Sachs, Jeffrey, 1985. "The economic policy mix, policy cooperation, and protectionism: Some aspects of macroeconomic interdependence among the United States, Japan, and other OECD countries," Journal of Policy Modeling, Elsevier, vol. 7(4), pages 533-572.
    11. Harry G. Johnson, 1960. "The Cost of Protection and the Scientific Tariff," Journal of Political Economy, University of Chicago Press, vol. 68, pages 327-327.
    12. Vousden,Neil, 1990. "The Economics of Trade Protection," Cambridge Books, Cambridge University Press, number 9780521346696, March.
    13. Ballard, Charles L & Shoven, John B & Whalley, John, 1985. "General Equilibrium Computations of the Marginal Welfare Costs of Taxes in the United States," American Economic Review, American Economic Association, vol. 75(1), pages 128-138, March.
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    Cited by:

    1. Bandopadhyay, Titas Kumar & Chaudhuri, Sarbajit, 2011. "Job-search and FDI in a two-sector general equilibrium model," MPRA Paper 35564, University Library of Munich, Germany.
    2. Bandopadhyay, Titas Kumar & Chaudhuri, Sarbajit, 2011. "Job-search and foreign capital inflow — A two sector general equilibrium analysis," Economic Modelling, Elsevier, vol. 28(6), pages 2494-2501.

    More about this item


    market distortions; welfare; comparative-statics versus dynamics; general equilibrium;

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations

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