The term greed has become very popular in the public debate. It is regularly argued, for instance, that greed is one of the deep rooted reasons for the financial crisis, numerous incidents of fraud and growing inequalities in wealth. Despite its prominent role in the current debates, however,...

Incentivized experiments in which individuals receive monetary rewards according to the outcomes of their decisions are regarded as the gold standard for preference elicitation in experimental economics. These task-related real payments are considered necessary to reveal subjects' "true...