Who participates in a collective action? A psychologically based simulation with 10,000 agents

social psychology, collective action, intervention measures, persuasion. The problem of organizing collective action campaigns is tackled with a multiagent simulation, in which the actor’s decision to participate is modeled on the basis of an expansion of the social psychological Theory of Planned Behavior. The variables entering into the model of the individual’s decision to participate in a collective action are attitude, return, subjective social norm, and perceived behavioral control. With these four variables, various social scientific theories become integrate