We consider a Prisoner’s Dilemma model with a pre-play communication stage. Players get a disutility from deceiving others after sending a message of conditional cooperation. Each player’s realized lying aversion cost is private information. We prove existence and characterize the (unique)...

Laboratory experiments on the provision of public goods follow subjects over time as they interact in a small group. In every period subjects allocate a fixed endowment between a private good and a group good that yields a return to all group members. These experiments produce data sets that are...