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When Immediate Responses Fail, Shai Dothan

Vanderbilt Journal of Transnational Law

Tit-for-tat is a strategy of immediate and proportional responses. Game theorists showed that this strategy often leads to fruitful cooperation. Indeed, many legal regimes resemble a tit-for-tat strategy and benefit from its ability to avoid unnecessary conflicts. But in situations of uncertainty--when actors cannot be sure about the actions of their adversaries--a tit-for-tat strategy would destroy cooperation and lead to continuous clashes. Because tit-for-tat responds immediately, a single mistake about the intentions of the adversary can lead to retaliation and start an endless string of counterstrikes. When uncertainty prevails, a strategy of many-tits-for-many-tats is optimal. Actors applying this strategy study …