Source: wikibot/grim-trigger
= Grim trigger
{wiki=Grim_trigger}
The Grim Trigger is a concept in game theory, particularly in the study of repeated games. It refers to a specific strategy employed by a player in response to the actions of their opponent. The Grim Trigger strategy is characterized by its severe punishment mechanism for any deviation from cooperative behavior. Here’s how it works: 1. **Cooperation Phase**: Players start by cooperating with each other in the repeated game.