We use experiments to analyze what type of communication is most effective in achieving cooperation in a simple collusion game. Consistent with the theories of collusion and cheap talk, an initial burst of collusion rapidly collapses if subjects can only use a limited message space that does not...

We use experiments to analyze what type of communication is most effective in achieving cooperation in a simple collusion game. Consistent with the existing literature on communication and collusion, even minimal communication leads to a short run increase in collusion. However, in a limited...

We augment a standard bilateral gift-exchange game to allow employees to communicate their gratitude for, or disapproval toward, the wage assigned to them by their manager. This provides employees with a means of reciprocation or emotion expression toward the employee which is not available in a...