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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.

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Paper provided by ISEG - School of Economics and Management, Department of Economics, University of Lisbon in its series Working Papers Department of Economics with number 2008/30.

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Date of creation: Mar 2008
Date of revision:
Handle: RePEc:ise:isegwp:wp302008
Contact details of provider: Postal: Department of Economics, ISEG - School of Economics and Management, University of Lisbon, Rua do Quelhas 6, 1200-781 LISBON, PORTUGAL
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  1. Peng, Shin-Kun & Thisse, Jacques-François & Wang, Ping, 2004. "Economic Integration and Agglomeration in a Middle Product Economy," CEPR Discussion Papers 4441, C.E.P.R. Discussion Papers.
  2. Amiti, Mary, 2001. "Location of Vertically Linked Industries: Agglomeration versus Comparative Advantage," CEPR Discussion Papers 2800, C.E.P.R. Discussion Papers.
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