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...

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...

When a decision maker is a member of multiple social groups, her actions may cause information to to spill over from one group to another. We study the nature of these spillovers in an observational learning game where two groups interact via a common player, and where conventions emerge when...