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Nash
Used as an adjective applied to a strategy in a game, this means that it is part of a Nash equilibrium.
Similar MatchesNash equilibriumNash equilibrium
An equilibrium in game theory in which each player's action is optimal given the actions of the other players. E.g., in a tariff-and-retaliation game, with each country able to improve its terms of trade with a tariff, zero tariffs are not Nash, since each can do better by raising its tariff. A Nash equilibrium, with positive tariffs, is likely to be inferior to free trade for both.
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