knowledge public knowledge. The experiment replicates the results of earlier experimental studies (Dickhaut et al., 1995, Cai … 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. …

We study experimentally the effectiveness of communication in common value committees exhibiting publicly known … heterogeneous agents. These predict varying degrees of strategic communication. We use a 2 x 2 design varying the information … protocol (communication vs exogenous public signals) and the group composition (heterogeneous vs homogeneous). Results are only …

the size of credible deviations. In our experiment, we find support for the relevance of credible deviations. In addition …