NDLI: Effective choice in all the symmetric 2 × 2 games

Content Provider	Springer Nature Link
Author	Goforth, David Robinson, David
Copyright Year	2010
Abstract	Solution concepts for game play implicitly assume what information is relevant for choosing moves. Maximin and Eliminating Dominated Strategies use payoff order; mixed strategies and Harsanyi’s risk dominance use payoff values. “Cooperative” strategies use previous choices, ignoring payoffs altogether. We first define the 12 symmetric 2 × 2 games as a continuous payoff space then use this space to evaluate strategies based on different types of information. Strategic success is shown to be sensitive to actual payoffs and seldom consistent for all games of an ordinally defined category such as Chicken. A new hybrid strategy using both payoff and choice information is introduced and shown to produce efficient outcomes in all symmetric 2 × 2 games when employed by both players. It does well in evolutionary tournaments against strategies of other types, especially in the difficult distribution games including Battle-of-the-Sexes.
Starting Page	579
Ending Page	605
Page Count	27
File Format	PDF
ISSN	00397857
Journal	Synthese
Volume Number	187
Issue Number	2
e-ISSN	15730964
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-12-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Game theory Ordinal games Symmetric games 2 × 2 Games Solution concept Efficient play Epistemology Logic Philosophy of Science Metaphysics Philosophy of Language
Content Type	Text
Resource Type	Article
Subject	Philosophy Social Sciences

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