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We examine the relation between coalition-proof Nash equilibrium (Bernheim et al., 1987) and weakly dominated strategies in games with strategic substitutes (SS) and monotone externalities (ME). We show that in sigma-interactive games with SS and ME, every coalition-proof Nash equilibrium is a...
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I introduce an undominated coalition-proof Nash equilibrium that is unique and is able to select undominated Nash equilibria in a quasi-supermodular game with a strict single-crossing property and monotonic externalities
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