This paper experimentally investigates into the effects of limited feedback on contributions in a repeated public goods game. We test whether feedback about good examples (i.e., the respective maximum contribution in a period) in contrast to bad examples (i.e., the minimum contributions) induces...

Our study takes an individual perspective on receiver credulity in a public good setting with deceptive messages. In a laboratory experiment, subjects play a public good game with punishment in which feedback on actual contributions is obscured. Instead, subjects can communicate what they have...

How to hire voluntary helpers? We shed new light on this question by reporting a field experiment in which we invited 2,859 students to help at the 'ESA Europe 2012' conference. Invitation emails varied non-monetary and monetary incentives to convince subjects to offer help. Students could apply...