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Trade and Trade Policy with Differentiated Products: A Chamberlinian-Ricardian Model: A Comment


  • Svetlana Demidova
  • Kala Krishna


This paper shows that the results of Venables (1987) depend critically on the assumption that there are no fixed costs of trade. The introduction of fixed costs of exporting, while making the model more consistent with the empirical evidence, leads to the opposite conclusion that technological progress in one country cannot harm the welfare of its trading partner. However, the results can be obtained in a richer setting with heterogeneous firms.

Suggested Citation

  • Svetlana Demidova & Kala Krishna, 2007. "Trade and Trade Policy with Differentiated Products: A Chamberlinian-Ricardian Model: A Comment," NBER Working Papers 12949, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:12949
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    References listed on IDEAS

    1. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June.
    2. Svetlana Demidova, 2008. "Productivity Improvements And Falling Trade Costs: Boon Or Bane?," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 49(4), pages 1437-1462, November.
    3. Marc J. Melitz, 2003. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," Econometrica, Econometric Society, vol. 71(6), pages 1695-1725, November.
    4. repec:rus:hseeco:122439 is not listed on IDEAS
    5. Venables, Anthony J, 1987. "Trade and Trade Policy with Differentiated Products: A Chamberlinian-Ricardian Model," Economic Journal, Royal Economic Society, vol. 97(387), pages 700-717, September.
    6. Roberts, Mark J & Tybout, James R, 1997. "The Decision to Export in Colombia: An Empirical Model of Entry with Sunk Costs," American Economic Review, American Economic Association, vol. 87(4), pages 545-564, September.
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    Cited by:

    1. Philipp J. H. Schröder & Allan Sørensen, 2014. "A Welfare Ranking of Multilateral Reductions in Real and Tariff Trade Barriers when Firms are Heterogenous," Review of International Economics, Wiley Blackwell, vol. 22(3), pages 423-443, August.

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    JEL classification:

    • F1 - International Economics - - Trade

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