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Andreea Cosnita-Langlais
''Cournot competition in spatial markets: a complementary result on complementarity''
( 2011, Vol. 31 No.3 )
We study location equilibria for a symmetrical two-store duopoly selling differentiated products on the circle market. In contrast to the existing literature, we assume that each store sells a different product. We consider both complementarity among all varieties on the market and intra-firm complementarity but substitutability between rival varieties, and obtain multiple equilibria in each case. We thus remind that the assumptions on intra-firm as well as on inter-firm competition may be relevant for determining the equilibrium pattern in a spatial model with location choice and various types of product differentiation.
Keywords: spatial Cournot model, multi-store competition, product complementarity
JEL: D4 - Market Structure and Pricing: General
R3 - Production Analysis and Firm Location: General
Manuscript Received : Jul 28 2011 Manuscript Accepted : Aug 29 2011

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