A central question in the study of altruism has been whether there is a systematic gender difference in giving behavior …

We run a public good experiment in the field and in the lab with (partly) the same subjects. The field experiment is a … true natural field experiment as subjects do not know that they are exposed to an experimental variation. We can show that … subjects' behavior in the classic lab public good experiment correlates with their behavior in the structurally comparable …

I ran an experiment in order to evaluate the relationship, if any, between power, or the search for power, and the … degree of altruism. In particular I experimentally tested whether an organization structured in a strictly hierarchical way … was able to reduce the degree of altruism of a group of experimental subjects. The subjects were divided into groups and …

guarantee reciprocity, we see that there is still significant evidence of altruism, which we then confirm using laboratory …

participate in an experiment. In contrast to predictions of the standard economic model, dictators show a large degree of pro-social …Results are reported of the first natural field experiment on the dictator game, where subjects are unaware that they … pro-social behavior, whether they are students or not, participate in a laboratory or not, or are aware that they …

experiment, however, indicates that a tertiary personality variable, sometimes called psychological well-being, is the primary …

altruism. The question we address in this experimental study is how B reacts to the intentions of A. We vary the probability …