If two players engaged in a prisoner's dilemma game are likely to repeat the game, they are more likely to cooperate than if they play the game only once.

Prisoner's Dilemma

Prisoner's Dilemma is a concept in game theory where two individuals acting in their own self-interest pursue a course of action that does not result in the ideal outcome for either of them.

Cooperate

The act of working together towards a common goal or interest, often seen in contexts where individuals or entities join forces for mutual benefit.