model of communication in games and investigate the importance of when communication takes place. Sending a message before … are believed whenever possible. Applying our results to Aumann's Stag Hunt game we find that communication is useless if …

whenever possible, thereby develop a theory of credible communication. Predictions confirm the longstanding intuition for …

In a coordination game such as the Battle of the Sexes, agents can condition their plays on external signals that can … are rare. Thus, even in a world of simple learning agents, coordination behavior can take on some surprising forms. …

previous "babbling" results. -- cheap talk ; communication ; coordination ; efficient equilibrium ; babbling …Intuitively, we expect that players who are allowed to engage in costless communication before playing a game would be … foolish to agree on an inefficient equilibrium. At the same time, however, such preplay communication has been suggested as a …

This paper characterizes geometrically the set of all Nash equilibrium payoffs achievable with unmediated communication …

equilibrium in symmetric (2 x 2) coordination games. Because the need to coordinate exposes players to strategic risk, we treat …