party. Examples include business gifts of firms and lobbyists. In a series of experiments, we show that, even without …

systematically refutes the self-interest hypothesis and suggests that many people are strongly motivated by concerns for fairness and … insights into the nature of preferences and into the relative performance of competing theories of fairness. The purpose of …

Laboratory experiments are a widely used methodology for advancing causal knowledge in the physical and life sciences …. With the exception of psychology, the adoption of laboratory experiments has been much slower in the social sciences …, although during the last two decades, the use of lab experiments has accelerated. Nonetheless, there remains considerable …

, inducing them to resist entering into employment contracts. This resistance to employment contracts vanishes if fairness … relation ; fairness ; reputation …

We show that concerns for fairness may have dramatic consequences for the optimal provision of incentives in a moral … concerned about fairness. Conversely, contracts that are doomed to fail when there are only selfish actors provide powerful … of a series of experiments. Furthermore, our results suggest that the existence of fair actors may be an important reason …

We show experimentally that fairness concerns may have a decisive impact on both the actual and the optimal choice of … inferior when some agents value fairness. Conversely, implicit bonus contracts that are doomed to fail among purely selfish … recently developed theories of fairness, which also offer interesting new insights into the interaction of contract choices …