This paper reports on the results of a laboratory experiment aiming at investigating the effects of wage comparisons on effort. Individuals compare to each others and such comparisons do affect their decisions. For a given absolute wage, those who get a lower rank in the distribution decrease...

This paper reports the results of a laboratory experiment that aims at investigating the effect of manipulating reputation in the context of online decentralized feedback systems, such as eBay. Our experimental results indicate that the agents do not hesitate to manipulate their reputation even...

Environmental policies provide agents with incentives to contribute to environmental protection. One concern of such policies is to create and/or maintain a variety of valuable public goods. One main difference between creating and maintaining public goods is that, while in the former, agents...