why is tit for tat best strategy 
in many cases tit for tat strategies may maximize payoffs for different parties this is especially the case when confronted with a prisoner s dilemma in which cooperation can result in mutual benefit and retaliation can lead to the least desirable results for both parties the bottom linein game theory tit for tat refers to a strategy of cooperation in which players mirror each others moves through repeated iterations when confronted with a payoff matrix like that of a prisoner s dilemma the tit for tat strategy can produce and maximize mutual benefit however if a player chooses an unfavorable action the other player may then retaliate leading to mutual detriment in economics this is often reflected during trade wars in which countries impose escalating tariffs on each others exports 