We conduct a field experiment in a naturally occurring labor environment and track whether the performance of workers …

This paper presents evidence from a field experiment, which aims to identify the two sources of workers’ pro …-social motivation that have been considered in the literature: action-oriented altruism and output-oriented altruism. To this end we …-oriented altruism. We then compare the latter to effort exerted in an environment where both types of altruistic preferences are …

To investigate the external validity of laboratory results, we combine a public good experiment with three treatments … in a field experiment. One treatment offers the opportunity to free-ride, the other two are placebo treatments. We …

contributions. In our randomized field experiment, opera visitors received solicitation letters asking to support a social youth …

We study how website defaults affect consumer behavior in the domain of charitable giving. In a field experiment that …

between social group size and fundraising outcomes: (i) a positive relationship between group size and the total number of …

Intergenerational altruism and contemporaneous cooperation are both important to the provision of long-lived public …

-interest, providing strong evidence for pocketbook voting. However, social preferences like altruism, public good considerations and …