Non-cooperative game
Encyclopedia
In game theory
, a non-cooperative game is one in which players make decisions independently. Thus, while they may be able to cooperate, any cooperation must be self-enforcing.
A game in which players can enforce contract
s through third parties is a cooperative game
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Game theory
Game theory is a mathematical method for analyzing calculated circumstances, such as in games, where a person’s success is based upon the choices of others...
, a non-cooperative game is one in which players make decisions independently. Thus, while they may be able to cooperate, any cooperation must be self-enforcing.
A game in which players can enforce contract
Contract
A contract is an agreement entered into by two parties or more with the intention of creating a legal obligation, which may have elements in writing. Contracts can be made orally. The remedy for breach of contract can be "damages" or compensation of money. In equity, the remedy can be specific...
s through third parties is a cooperative game
Cooperative game
In game theory, a cooperative game is a game where groups of players may enforce cooperative behaviour, hence the game is a competition between coalitions of players, rather than between individual players...
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See also
- Assured destructionAssured destructionAssured destruction is a concept sometimes used in deterrence theory and military strategy discussions to describe a condition where certain behaviors or choices are deterred because they will lead to the imposition by others of overwhelming punitive consequences. It was most often discussed as...
- Intra-household bargainingIntra-household bargainingIntra-household bargaining refers to negotiations that occur between members of a household in order to arrive at decisions regarding the household unit....
- Grim triggerGrim triggerIn game theory, grim trigger is a trigger strategy for a repeated game, such as an iterated prisoner's dilemma. Initially, a player using grim trigger will cooperate, but as soon as the opponent defects , the player using grim trigger will defect for the remainder of the iterated game...
- Nash equilibriumNash equilibriumIn game theory, Nash equilibrium is a solution concept of a game involving two or more players, in which each player is assumed to know the equilibrium strategies of the other players, and no player has anything to gain by changing only his own strategy unilaterally...
- Proper equilibriumProper equilibriumProper equilibrium is a refinement of Nash Equilibrium due to Roger B. Myerson.Proper equilibrium further refines Reinhard Selten's notion of atrembling hand perfect equilibrium by assuming that more costly trembles are made with...
- Tit for tatTit for tatTit for tat is an English saying meaning "equivalent retaliation". It is also a highly effective strategy in game theory for the iterated prisoner's dilemma. It was first introduced by Anatol Rapoport in Robert Axelrod's two tournaments, held around 1980. An agent using this strategy will initially...
- Trembling hand perfect equilibriumTrembling hand perfect equilibriumThere are two possible ways of extending the definition of trembling hand perfection to extensive form games.* One may interpret the extensive form as being merely a concise description of a normal form game and apply the concepts described above to this normal form game. In the resulting perturbed...
- Trigger strategyTrigger strategyIn game theory, a trigger strategy is any of a class of strategies employed in a repeated non-cooperative game. A player using a trigger strategy initially cooperates but punishes the opponent if a certain level of defection is observed...
- War of attrition (game)War of attrition (game)In game theory, the war of attrition is a model of aggression in which two contestants compete for a resource of value V by persisting while constantly accumulating costs over the time t that the contest lasts. The model was originally formulated by John Maynard Smith, a mixed evolutionary stable...
- Zero-sumZero-sumIn game theory and economic theory, a zero-sum game is a mathematical representation of a situation in which a participant's gain of utility is exactly balanced by the losses of the utility of other participant. If the total gains of the participants are added up, and the total losses are...