game theory: meaning, definition, pronunciation and examples
C2Academic/Technical
Quick answer
What does “game theory” mean?
A branch of mathematics and economics that studies strategic decision-making in situations where the outcome for a participant depends on the choices of others.
Audio
Pronunciation
Definition
Meaning and Definition
A branch of mathematics and economics that studies strategic decision-making in situations where the outcome for a participant depends on the choices of others.
A theoretical framework for modeling and analysing social situations among rational, self-interested agents, widely applied in political science, biology, computer science, and philosophy to understand conflict and cooperation.
Dialectal Variation
British vs American Usage
Differences
No significant orthographic or definitional differences exist for this technical term.
Connotations
Identical academic and formal connotations in both varieties.
Frequency
Equally frequent and understood in professional and academic contexts in both regions.
Grammar
How to Use “game theory” in a Sentence
[Subject] uses/applies game theory to [analyse/solve] [problem].Game theory suggests that...According to game theory,...The game theory of [specific situation].Vocabulary
Collocations
Usage
Meaning in Context
Business
Used to model market competition, negotiation strategies, auction design, and corporate bargaining.
Academic
A core subject in economics, mathematics, and political science departments for formal modelling of strategic interaction.
Everyday
Rarely used. Might be invoked metaphorically in discussions about strategy, e.g., 'It's all a game of game theory with them.'
Technical
The precise mathematical study of games, their optimal strategies (solutions), and equilibrium concepts.
Vocabulary
Synonyms of “game theory”
Neutral
Weak
Vocabulary
Antonyms of “game theory”
Watch out
Common Mistakes When Using “game theory”
- Using it as a plural countable noun (e.g., 'game theories').
- Using it to refer to the strategy for a specific sport or video game.
- Confusing it with 'Gamification' (using game elements in non-game contexts).
FAQ
Frequently Asked Questions
No. While foundational in economics, it is extensively used in biology (evolutionary strategies), political science (voting systems), computer science (algorithm design), and philosophy.
Any situation with two or more players (agents), where each player's payoff (result) depends on their own choice and the choices of others. This includes auctions, negotiations, and even animal conflicts.
John Nash was a mathematician who formulated the concept of 'Nash Equilibrium', a central solution concept where no player can benefit by changing their strategy while others keep theirs unchanged.
No. It models rational, strategic behaviour, but real humans often act with bounded rationality, emotions, or social norms not captured in simple models. It provides a framework, not a perfect prediction.
A branch of mathematics and economics that studies strategic decision-making in situations where the outcome for a participant depends on the choices of others.
Game theory is usually academic/technical in register.
Game theory: in British English it is pronounced /ˈɡeɪm ˌθɪəri/, and in American English it is pronounced /ˈɡeɪm ˌθiəri/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a board game where every player's move changes your best move. Game Theory is the science of finding your best move in the 'game' of life and business.
Conceptual Metaphor
LIFE IS A GAME; STRATEGIC INTERACTION IS A MATHEMATICAL PUZZLE.
Practice
Quiz
What is the primary focus of game theory?