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Essential collections for equilibrium concepts |
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| Authors: | Julio González-Díaz Federica Briata Ignacio García-Jurado Fioravante Patrone |
| Affiliation: | 1. Department of Statistics and Operations Research, University of Santiago de Compostela, Santiago de Compostela, Spain 2. Science Department, University of Chieti and Pescara, Chieti, Pescara, Italy 3. Department of Mathematics, Coru?a University, Coru?a, Spain 4. DIPTEM, University of Genova, Genova, Italy |
| Abstract: | The aim of this study is to identify and characterize the parts of an extensive form game that are ??relevant?? to determining whether the outcome of a certain strategy profile is an equilibrium outcome. We formally define what we mean by ??relevant?? and refer to the associated collection of information sets as essential. We apply this idea to a number of classic equilibrium concepts and discuss some implications of our approach. |
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