Bruttel, Lisa V.; Güth, Werner; Kamecke, Ulrich; … - 2009
laboratory, we focus on extended prisoners' dilemma games in which a second (pure strategy) equilibrium allows for voluntary … versus non-strict additional equilibrium compared to the control treatment, a standard prisoners' dilemma. Quite surprisingly …, according to our results, only a strict additional equilibrium increases cooperation rate for a given time horizon. As expected …