Coalition-proof Bertrand equilibria
This paper examines the coalition-proof Nash equilibria of a Bertrand model of price competition where firms supply all demand. When firms are asymmetric we prove existence and provide a sufficient condition for uniqueness. For symmetric firms, we show that an equilibrium is necessarily unique. We also examine whether this unique equilibrium outcome is implementable through a sequential move game where the firms take turns at announcing prices. Finally we examine the limiting property of such equilibria as the number of firms go to infinity. Copyright Springer-Verlag Berlin/Heidelberg 2004
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Volume (Year): 24 (2004)
Issue (Month): 2 (August)
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