Chapter written for the Handbook of Reciprocity, Gift-Giving and Altruism

Most economic models are based on the self-interest hypothesis that assumes that all people are exclusively motivated by their material self-interest. In recent years experimental economists have gathered overwhelming evidence that systematically refutes the self-interest hypothesis and suggests...

This paper surveys recent experimental and field evidence on the impact of concerns for fairness, reciprocity and altruism on economic decision making. It also reviews some new theoretical attempts to model the observed behavior.

While numerous experiments demonstrate how pro-sociality can influence economic decision-making, evidence on explicitly anti-social economic behavior has thus far been limited. In this paper we investigate the importance of spite in experimental rent-seeking contests. Although, as we show,...

This paper provides a briefing for developing countries to apprise them of the main issues which are relevant for development and social welfare in relation to the present and prospective discussions on competition policy in the WTO, UNCTAD, OECD and other fora. Although this is the immediate...

Economic experiments have shown that when given the choice between piece-rate and winner-take-all tournament style compensation, women are more reluctant than men to choose tournaments. These gender difference experiments have all relied on a similar framework where subjects were not informed of...

This paper studies the "negative" activities of members in organizations. In competing for promotion, the members not only can work to enhance their own performances, but can also work to "sabotage" their opponents in order to decrease their performances. They find it worthwhile to engage in...

Chapter written for the Handbook of Reciprocity, Gift-Giving and Altruism

Most economic models are based on the self-interest hypothesis that assumes that all people are exclusively motivated by their material self-interest. In recent years experimental economists have gathered overwhelming evidence that systematically refutes the self-interest hypothesis and suggests...