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Cournot competition in spatial markets : some complementary results on complementarity

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  • Andreea Cosnita

    () (EUREQUA - Equipe Universitaire de Recherche en Economie Quantitative - UP1 - Université Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique)

Abstract

We study in this paper location equilibria for a symmetrical two-store duopoly selling complementary varieties, both on the linear and the circular markets. In contrast to the existing literature, besides assuming that each affiliate produces a different complementary variety, we equally consider in turns complementarity among all varieties on the market and substitutability between rival varieties. On the segment market, the intuition of a single-plant entity behaviour is enough to obtain and justify the result of central agglomeration. On the circle, instead, we are able to check the multiple equilibria property, to the extent that besides the intuitiive spatial pattern, we identified each time a second one, involving diametrical dispersion, viable though only for low degrees of complementarity.

Suggested Citation

  • Andreea Cosnita, 2005. "Cournot competition in spatial markets : some complementary results on complementarity," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00196099, HAL.
  • Handle: RePEc:hal:cesptp:halshs-00196099
    Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-00196099
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    References listed on IDEAS

    as
    1. Hamilton, Jonathan H. & Thisse, Jacques-Francois & Weskamp, Anita, 1989. "Spatial discrimination : Bertrand vs. Cournot in a model of location choice," Regional Science and Urban Economics, Elsevier, vol. 19(1), pages 87-102, February.
    2. Chia-Ming Yu & Fu-Chuan Lai, 2003. "Cournot competition in spatial markets: Some further results," Economics of Governance, Springer, vol. 82(4), pages 569-580, November.
    3. Andreea Cosnita, 2005. "Horizontal mergers in the circular city: a note," Economics Bulletin, AccessEcon, vol. 12(7), pages 1-10.
    4. Kats, Amoz, 1995. "More on Hotelling's stability in competition," International Journal of Industrial Organization, Elsevier, vol. 13(1), pages 89-93, March.
    5. Chamorro-Rivas, Jose-Maria, 2000. "Plant proliferation in a spatial model of Cournot competition," Regional Science and Urban Economics, Elsevier, vol. 30(5), pages 507-518, September.
    6. Matsushima, Noriaki, 2001. "Cournot competition and spatial agglomeration revisited," Economics Letters, Elsevier, vol. 73(2), pages 175-177, November.
    7. d'Aspremont, C & Gabszewicz, Jean Jaskold & Thisse, J-F, 1979. "On Hotelling's "Stability in Competition"," Econometrica, Econometric Society, vol. 47(5), pages 1145-1150, September.
    8. Gupta, Barnali & Lai, Fu-Chuan & Pal, Debashis & Sarkar, Jyotirmoy & Yu, Chia-Ming, 2004. "Where to locate in a circular city?," International Journal of Industrial Organization, Elsevier, vol. 22(6), pages 759-782, June.
    9. Pal, Debashis, 1998. "Does Cournot competition yield spatial agglomeration?," Economics Letters, Elsevier, vol. 60(1), pages 49-53, July.
    10. Pal, Debashis & Sarkar, Jyotirmoy, 2002. "Spatial competition among multi-store firms," International Journal of Industrial Organization, Elsevier, vol. 20(2), pages 163-190, February.
    11. Shimizu, Daisuke, 2002. "Product differentiation in spatial Cournot markets," Economics Letters, Elsevier, vol. 76(3), pages 317-322, August.
    12. Anderson, Simon P & Neven, Damien J, 1991. "Cournot Competition Yields Spatial Agglomeration," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 32(4), pages 793-808, November.
    13. repec:ebl:ecbull:v:12:y:2005:i:7:p:1-10 is not listed on IDEAS
    14. repec:ebl:ecbull:v:18:y:2003:i:1:p:1-9 is not listed on IDEAS
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    More about this item

    Keywords

    spatial Cournot model; Complementary products; multi-store competition; spatial Cournot model.; Biens complémentaires; concurrence spatiale; modèle de Cournot; firmes multi-filiales.;

    JEL classification:

    • D4 - Microeconomics - - Market Structure, Pricing, and Design
    • R3 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Real Estate Markets, Spatial Production Analysis, and Firm Location

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