We enrich the choice task of responders in ultimatum games by allow- ing them to independently decide whether to collect what is offered to them and whether to destroy what the proposer demanded. Such a multidimensional response format intends to cast further light on the motives guiding...

We investigate experimentally whether collective choice matters for individual attitudes to ambiguity. We consider a two-urn Ellsberg experiment: one urn offers a 45% chance of winning a fixed monetary prize, the other an ambiguous chance. Participants choose either individually or in groups of...

We provide experimental evidence on behavior in a public goods game featuring a so-called point of no return, meaning that if the group’s total contribution falls below this point all payoffs are reduced. Participants receive either common or private signals about the point of no return, and...

Are opportunities making thieves? Accumulated experimental evidence shows that, when people have the opportunity to cheat, often they take it. Most of the literature on cheating opportunities forces people into a tempting situation where they face a trade-off between money and morality. In our...

The steady increase in inequality over the past decades has revived a lively debate about what can be considered a fair distribution of income. Public support for the extent of redistribution typically depends on the perceived causes of income inequality, such as differences in effort, luck, or...

The steady increase in inequality over the past decades has revived a lively debate about what can be considered a fair distribution of income. Public support for the extent of redistribution typically depends on the perceived causes of income inequality, such as differences in effort, luck, or...

Several studies show that social image concerns stimulate pro-social behavior. We study a setting in which there is uncertainty about which action is pro-social. Then, the quest for a better social image can potentially conflict with genuinely pro-social behavior. This conflict can induce...