In this paper, we experimentally investigate the guilt aversion hypothesis by using a trust game with pre-play communication. For this purpose, we first develop a new version of guilt aversion called personal guilt aversion. It is shown that the new version is consistent with extant experimental...

We conduct experiments of a cheap-talk game with incomplete information in which one sender type has an incentive to misrepresent her type. Although that Sender type mostly lies in the experiments, the Receiver tends to believe the Sender's messages. This confirms ``truth bias'' reported in...

This paper experimentally investigates free-riding behavior on communication cost in a coordination game and finds strong indications of such free-riding. Firstly, the subjects tend to wait for others to send a message when communication is costly, which does not happen when communication is...