To trust a potential cooperator until the first defection and then never cooperate thereafter is
A) a dominant strategy
B) an irrational strategy
C) a grim trigger strategy
D) a non-cooperative finite game strategy
E) a subgame imperfect strategy

Question

Quizplus · Accepted Answer

This strategy is known as the "grim trigger" strategy. Once a defection occurs, the player permanently switches to never cooperating again. This can be effective in deterring defections, but can also lead to a breakdown in cooperation if one player makes a mistake or miscommunication occurs.

To Trust a Potential Cooperator Until the First Defection and Then