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Location of Upstream and Downstream Industries


  • José Pedro Pontes


This paper studies the issue of agglomeration versus fragmentation of vertically related industries. While the downstream industry works under perfect competition, the upstream industry is a duopoly where each firm supplies a differentiated input to the competitive firms. These process the inputs under a quadratic production function entailing decreasing returns as in PENG, THISSE and WANG (2006). It is found that fragmentation occurs if the transport cost of final goods is medium to high, while the transport cost of inputs is low. Otherwise, agglomeration prevails. Multiple agglomerated equilibria are possible if the transport cost of intermediate goods is either medium or high.

Suggested Citation

  • José Pedro Pontes, 2008. "Location of Upstream and Downstream Industries," Working Papers Department of Economics 2008/30, ISEG - Lisbon School of Economics and Management, Department of Economics, Universidade de Lisboa.
  • Handle: RePEc:ise:isegwp:wp302008

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    References listed on IDEAS

    1. Amiti, Mary, 2005. "Location of vertically linked industries: agglomeration versus comparative advantage," European Economic Review, Elsevier, vol. 49(4), pages 809-832, May.
    2. Peng, Shin-Kun & Thisse, Jacques-Francois & Wang, Ping, 2006. "Economic integration and agglomeration in a middle product economy," Journal of Economic Theory, Elsevier, vol. 131(1), pages 1-25, November.
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    More about this item


    Oligopoly; Vertically-Linked Firms; Location; Spatial Fragmentation.;

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • R10 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - General

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