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Market Integration, Choice of Technology and Welfare

Author

Listed:
  • J¿rgen Drud Hansen

    (Department of Economics, Aarhus School of Business)

  • J¿rgen Ulff-M¿ller Nielsen

    () (Department of Economics, Aarhus School of Business)

Abstract

This paper develops an international trade model where firms in a duopoly may diversify their technologies for strategic reasons. The firms face the same set of technologies given by a trade-off between marginal costs and fixed costs, but depending on trade costs the firms may choose different technologies. Market integration may induce a technological restructuring where the firms either diversify their technologies or switch to a homogenous technology leaving jumps in welfare both in the home and foreign country. It is shown that with respect to global welfare Cournot Nash equilibria with homogeneous firms are in some cases inferior to Cournot Nash equilibria with heterogeneous firms. A small decrease in trade costs, which induces a switch from heterogeneous technologies to a homogeneous technology, reduces global welfare. Extensive reductions in trade costs allow for the traditional positive global welfare effects of market integration.

Suggested Citation

  • J¿rgen Drud Hansen & J¿rgen Ulff-M¿ller Nielsen, 2007. "Market Integration, Choice of Technology and Welfare," Working Papers 0711, University of Otago, Department of Economics, revised Apr 2007.
  • Handle: RePEc:otg:wpaper:0711
    as

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    File URL: http://www.business.otago.ac.nz/econ/research/discussionpapers/DP_0711.pdf
    File Function: First version, 2007
    Download Restriction: no

    References listed on IDEAS

    as
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    2. Schmitt, Nicolas & Yu, Zhihao, 2001. "Economies of scale and the volume of intra-industry trade," Economics Letters, Elsevier, vol. 74(1), pages 127-132, December.
    3. Carsten Eckel & J. Peter Neary, 2010. "Multi-Product Firms and Flexible Manufacturing in the Global Economy," Review of Economic Studies, Oxford University Press, vol. 77(1), pages 188-217.
    4. Sajal Lahiri & Yoshiyasu Ono, 1997. "Asymmetric oligopoly, international trade, and welfare: a synthesis," Journal of Economics, Springer, vol. 65(3), pages 291-310, October.
    5. Rod Falvey, 1998. "Mergers in Open Economies," The World Economy, Wiley Blackwell, vol. 21(8), pages 1061-1076, November.
    6. Mills, David E. & Smith, William, 1996. "It pays to be different: Endogenous heterogeneity of firms in an oligopoly," International Journal of Industrial Organization, Elsevier, vol. 14(3), pages 317-329, May.
    7. 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.
    8. Andrew B. Bernard & J. Bradford Jensen, 2004. "Why Some Firms Export," The Review of Economics and Statistics, MIT Press, vol. 86(2), pages 561-569, May.
    9. Nirvikar Singh & Xavier Vives, 1984. "Price and Quantity Competition in a Differentiated Duopoly," RAND Journal of Economics, The RAND Corporation, vol. 15(4), pages 546-554, Winter.
    10. Montagna, Catia, 2001. "Efficiency Gaps, Love of Variety and International Trade," Economica, London School of Economics and Political Science, vol. 68(269), pages 27-44, February.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    Firm heterogeneity; duopoly; technology choice; market integration; welfare;

    JEL classification:

    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations

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