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Endogenous Heterogeneity in Strategic Models: Symmetry-breaking via Strategic Substitutes and Nonconcavities

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  • Rabah Amir
  • Filomena Garcia
  • Malgorzata Knauff

Abstract

This paper is an attempt to develop a unified approach to endogenous heterogeneity by constructing general class of two-player symmetric games that always possess only asymmetric pure-strategy Nash equilibria. These classes of games are characterized in some abstract sense by two general properties: payo? non-concavities and some form of strategic substitutability. We provide a detailed discussion of the relationship of this work with Matsuyama’s symmetry breaking framework and with business strategy literature. Our framework generalizes a number of models dealing with two-stage games, with long term investment decisions in the first stage and product market competition in the second stage. We present the main examples that motivate this study to illustrate the generality of our approach.

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Bibliographic Info

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 2006/29.

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Date of creation: 2006
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Handle: RePEc:ise:isegwp:wp292006

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Postal: Department of Economics, ISEG - School of Economics and Management, University of Lisbon, Rua do Quelhas 6, 1200-781 LISBON, PORTUGAL
Web page: https://aquila1.iseg.ulisboa.pt/aquila/departamentos/EC

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Keywords: firm heterogeneity; submodular games; business strategy; innovation strategies.;

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References

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As found by EconAcademics.org, the blog aggregator for Economics research:
  1. MaÅ?gorzata Knauff
    by Metablog Obserwatora Finansowego in Obserwator Finansowy on 2009-12-10 11:59:58
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Cited by:
  1. Evangelos Mitrokostas & Emmanuel Petrakis, 2011. "Organizational structure, strategic delegation and innovation in oligopolistic industries," Working Papers 2011/09, Economics Department, Universitat Jaume I, Castellón (Spain).

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