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Where Strategic and Evolutionary Stability Depart-A Study of Minimal Diversity Games

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Abstract

A minimal diversity game is an n player strategic form game in which each player has m pure strategies at his disposal. The payoff to each player is always 1, unless all players select the same pure strategy, in which case, all players receive zero payoff. Such a game has a unique isolated completely mixed Nash equilibrium in which each player plays each strategy with equal probability, and a connected component of Nash equilibria consisting of those strategy profiles in which each player receives payoff 1. The Pareto superior component is shown to be asymptotically stable under a wide class of evolutionary dynamics, while the isolated equilibrium is not. In contrast, the isolated equilibrium is strategically stable, while the strategic stability of the Pareto-efficient component depends on the dimension of the component, and hence on the number of players, and the number of pure strategies.

    Research areas

  • strategic form games, strategic stability, evolutionary stability, EQUILIBRIUM POINTS, STABLE EQUILIBRIA, DEFINITION, REFORMULATION, SELECTION
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Details

Original languageEnglish
Pages (from-to)278-292
Number of pages15
JournalMathematics of Operations Research
Volume41
Issue number1
DOIs
Publication statusPublished - Feb 2016