title: Don’t Look Back in Anger: Cooperation Despite Conflicting Historical Narratives
abstract: States in conflict often have divergent interpretations of the past. They blame each other for starting the conflict and view their own actions as justified retaliation, which makes them reluctant to cooperate. This phenomenon, while common in international relations, is not well understood by existing formal theories of cooperation. In the context of the Repeated Prisoner’s Dilemma framework, we show that strategies that demand atonement for past misdeeds are outperformed by strategies that do 
journal: American Political Science Review