Policy equilibria for graph games

Dao Zhi Zeng, Liping Fang, Keith W. Hipel, D. Marc Kilgour

Research output: Contribution to journalConference articlepeer-review


The concept of a policy is developed within the framework of the graph model for conflict resolution. More specifically, a policy is defined as an action plan from every possible state in a conflict for each player. A state forms what is called a Policy Stable State (PSS) if every player in a game does not prefer to move to another state given the other players' policies. The policies that cause a PSS constitute a policy equilibrium. Moreover, a refinement to PSS is suggested in order to take into account credible responses by players. Relationships with existing stability concepts in the graph model for conflict resolution are explored.

Original languageEnglish
Pages (from-to)4490-4495
Number of pages6
JournalProceedings of the IEEE International Conference on Systems, Man and Cybernetics
Publication statusPublished - 2003
EventSystem Security and Assurance - Washington, DC, United States
Duration: 2003 Oct 52003 Oct 8


  • Conflict
  • Graph model
  • Policy equilibrium
  • Policy stable state


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