A lot of economic and social situations can be described as contests in which agents need to distribute scare resources. Individual behavior plays an important role within these situations, while identity strongly impacts on behavior. This paper asks how group identity impacts the provision of a...

We study properties of collective action problems bounded by minimal contributions as well as endowment and variable contributions are neighbourhood dependent. We relate nearness to non-interior agents and its implication for interior contribution. Here, we see the aspects of node distance to...

We consider the cost of providing incentives using tournaments when workers are inequity averse and performance evaluation is costly. The principal never benefits from empathy to align incentives in a moral hazard framework between the workers, but he may benefit from their propensity for envy...