laboratory experiment in which subjects lack any private material incentive to report partners’ actions, we find that most …

Identifying who engages in inter-group conflict – and if they do so why – may help to predict and potentially prevent …-group conflict. We derive a typology and measure of group-dependent social preferences from a social preference model. We gather …

study such preferences in a laboratory experiment by eliciting the willingness-to-pay to receive or to avoid verbal feedback …