Free riding problems can be more severe in multiple-person social dilemmas than in two-person dilemmas, since agents can hide their actions behind the veil of anonymity. In this paper, we use field data on waste sorting to study the effect of visibility in social dilemmas. We compare the sorting...

This paper uses a modified dictator game to investigate the relationship between response times and social preferences. We find that egoistic subjects make faster decisions than subjects with social preferences. Moreover, our within-analysis reveals that, for a given individual, egoistic payoff...

This paper reports a 3-phase experiment on a stylized labor market. In the first two phases, agents face simple games, which we use to estimate subjects' social and reciprocity concerns, together with their beliefs. In the last phase, four principals, who face four teams of two agents, compete...

We interview both parents and their children enrolled in six primary schools in the district of Treviso (Italy). We study the structural differences between the children network of friends reported by children and the one elicited asking their parents. We find that the parents’ network has a...

We experimentally investigate information aggregation through majority voting when some voters are biased. In such situations, majority voting can have a 'dark side', i.e. result in groups making choices inferior to those made by individuals acting alone. We develop a model to predict how two...