game theory

American  

noun

1. a mathematical theory that deals with strategies for maximizing gains and minimizing losses within prescribed constraints, as the rules of a card game: widely applied in the solution of various decision-making problems, as those of military strategy and business policy.

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game theory British  

noun

1. Also called: theory of games.  mathematical theory concerned with the optimum choice of strategy in situations involving a conflict of interest

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game theory Scientific  

/ gām /

1. A mathematical method of making decisions in which a competitive situation is analyzed to determine the optimal course of action for an interested party. Game theory is often used in political, economic, and military planning.

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Other Word Forms

• game-theoretic adjective

Etymology

Origin of game theory

First recorded in 1950–55

Example Sentences

To dig deeper, the researchers built a mathematical model using tools from game theory and behavioral economics.

From Science Daily • Mar. 2, 2026

Steeped in risk analysis and game theory, they strategize every possible scenario, promising that no matter what happens, we’ll be all right.

From The Wall Street Journal • Dec. 30, 2025

In this situation, it is sensible game theory to look for allies.

From BBC • Oct. 19, 2025

Furthermore, the author frames California’s action as following proven game theory strategies, specifically citing the “tit-for-tat” approach that rewards cooperation while responding to aggression.

From Los Angeles Times • Aug. 12, 2025

Some allowance is made for "game theory" tactics: exaggeration, disinformation, even outright deception - but this allowance should not overshadow the merits of the transaction and its inherent sincerity; d.

From After the Rain : how the West lost the East by Vaknin, Samuel