of the implicated parties who propose the punishment. In a prisoner's dilemma experiment, we find an independent third …This paper investigates how punishment promotes cooperation when the punishment enforcer is a third party independent … party vetoes not only punishment to the cooperators but punishment to the defectors as well. Compared with the case when the …

laboratory experiment to examine how justification can combat profit-seeking punishment and promote the legitimacy of punishment …Punishment can lose its legitimacy if the enforcer can profit from delivering punishment. We use a controlled … punishment. However, majority third parties punish the sender if and only if the sender lies when they have to provide …