We study ultimatum and dictator experiments where the first mover chooses the amount of money to be distributed between the players within a given interval, knowing that her own share is fixed. Thus, the first mover is faced with scarcity, but not with the typical trade-off between her own and...

We assess the empirical validity of the overall theoretical framework of other-regarding preferences by focusing on those preference axioms that are common to all the prominent theories of outcome-based other-regarding preferences. This common set of preference axioms leads to a testable...

For the trust game, recent models of belief-dependent motivations make opposite predictions regarding the correlation between back-transfers and second- order beliefs of the trustor: While reciprocity models predict a negative correlation, guilt-aversion models predict a positive one. This paper...

This paper reports the results of experiments designed to isolate the impact of various combinations of the following motives on trustworthiness: (i) unconditional other-regarding preferences - like altruism, inequality aversion, quasi-maximin, etc.; (ii) deal-responsiveness - reacting to...

Willingness to take risk depends on whether the risk affects others as well as oneself and on how the risk affects oneś position vis-á-vis others. Taking a bet can improve oneś position relative to others or threaten it. We present an experiment that explores individual attitudes to lotteries...

Social preferences have been shown to be an important determinant of economic decision making for many adults. We present a large-scale experiment with 883 children and adolescents, aged eight to seventeen years. Participants make decisions in eight simple, one-shot allocation tasks, allowing us...