other hand the decision makers rely too much on the received information. Moreover, communication as well as payoffs … communication is less biased. In all treatments, however, the messages are more precise than theoretically predicted. …

Numerous studies suggest that communication may be a universal means to mitigate collective action problems. In this … study, we challenge this view and show that the communication structure crucially determines whether communication mitigates … or intensifies the problem of collective action. We observe the effect of different communication structures on …