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| | Nash equilibrium - Wikipedia, the free encyclopedia |
 | | In game theory, the Nash equilibrium (named after John Nash, who proposed it) is a kind of optimal collective strategy in a game involving two or more players, where no player has anything to gain by changing only his or her own strategy. |
 | | Let (S, f) be a game, where S is the set of strategy profiles and f is the set of payoff profiles. |
 | | If a game has a unique Nash equilibrium and is played among players with certain characteristics, then it is true (by definition of these characteristics) that the NE strategy set will be adopted. |
| en.wikipedia.org /wiki/Nash_equilibrium (2250 words) |
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