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Relative profit maximization and Bertrand equilibrium with quadratic cost functions

  • Atsuhiro Satoh
  • Yasuhito Tanaka

We study the Bertrand equilibrium in duopoly in which two firms produce a homogeneous good under quadratic cost functions, and they seek to maximize the weighted sum of their absolute and relative profits. We show that there exists a range of the equilibrium prices in duopolistic equilibria. This range of equilibrium prices is narrower and lower than the range of the equilibrium prices in duopolistic equilibria under pure absolute profit maximization, and the larger the weight on the relative profit, the narrower and lower the range of the equilibrium prices. In this sense relative profit maximization is more aggressive than absolute profit maximization.

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File URL: http://www.unioviedo.es/reunido/index.php/EBL/article/view/9999
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Article provided by Oviedo University Press in its journal Economics and Business Letters.

Volume (Year): 2 (2013)
Issue (Month): 3 ()
Pages: 134-139

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Handle: RePEc:ove:journl:aid:9999
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  1. Kockesen, Levent & Ok, Efe A., 1997. "Negatively Interdependent Preferences," Working Papers 97-02, C.V. Starr Center for Applied Economics, New York University.
  2. Matsumura, Toshihiro & Matsushima, Noriaki & Cato, Susumu, 2013. "Competitiveness and R&D competition revisited," Economic Modelling, Elsevier, vol. 31(C), pages 541-547.
  3. Yasuhito Tanaka, 2013. "Irrelevance of the choice of strategic variables in duopoly under relative profit maximization," Economics and Business Letters, Oviedo University Press, vol. 2(2), pages 75-83.
  4. Dastidar, Krishnendu Ghosh, 1995. "On the Existence of Pure Strategy Bertrand Equilibrium," Economic Theory, Springer, vol. 5(1), pages 19-32, January.
  5. Schaffer, Mark E., 1989. "Are profit-maximisers the best survivors? : A Darwinian model of economic natural selection," Journal of Economic Behavior & Organization, Elsevier, vol. 12(1), pages 29-45, August.
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