Question

What is trigger strategy and can you find an example for that?

pls go in detail

Answer 1

Trigger strategy is class of strategies employed in a non-corporative repeated game. In this trigger strategy theory an opponent cooperates until the opponent started non cooperation.

There are different trigger strategies and according to this the level of punishment and level of trigger differ with different trigger strategies.

Tit for Tat, Tit for Two Tats, Grim trigger are the trigger strategies. In the Tit for Tat strtegy the punishment longs as long as the other player defects. In the Tit fot Two Tats is the vary of Tit for Tat, but it is more forgiving variant of that. Grim trigger is more adverse strategy in among the trigger strategies. According to this adverse theory the punishment continues for unlimited time once the other player defects.

The oxford reference gives a good example for the grim trigger strategy. that, in a repeated prisoner's dilemma the both parties are supposed not to confess. If any of the party do confession then the other party do confession in every subsequent time.
If we take this repeated prisoner's dilemma in a Tit for Tat strategy then if the one party confess then the other party just confess for the next time only. Not in every subsequent time.
If the same example is taken for the Tit For Two Tats, then if opponent party confess the other party forgive and he confess only if opponent party again confess.

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