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

“There’s this huge game theory incentive to be the first one to leave versus stick around, even if you think the fundamentals are fine,” said Brian Jacobs, a portfolio manager at Aptus Capital Advisors.

From The Wall Street Journal • Apr. 2, 2026

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

From Science Daily • Mar. 2, 2026

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

In the game theory of trade wars, credibility does matter.

From BBC • Apr. 5, 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