midGame Theory
What is repeated game and how does it change player behavior?
Updated May 16, 2026
Short answer
A repeated game is a game played multiple times where past actions influence future strategies.
Deep explanation
Repeated games allow cooperation to emerge even in situations like the Prisoner's Dilemma. Players condition strategies on history, enabling punishment or reward mechanisms such as tit-for-tat.
Real-world example
Used in long-term business partnerships where trust builds over time.
Common mistakes
- Assuming one-shot game logic applies to repeated settings.
Follow-up questions
- What is tit-for-tat strategy?
- Why does repetition encourage cooperation?