This paper reports the results of an experiment on information spillovers between groups. We find that a player who is a member of multiple groups aggregates information and serves as a conduit through which information from one group spills over to another. We also find that such players are...

This paper reports the results of an experiment on information spillovers between groups. We find that a player who is a member of multiple groups aggregates infor- mation and serves as a conduit through which information from one group spills over to another. We also find that such players are...