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 …

common to preferences in this class. We illustrate our approach by analyzing data from a large scale experiment conducted … with a sample of participants randomly drawn from the Dutch population. We find that behavior of players in the experiment … determinant of decisions in our experiment. -- belief-dependent preferences ; guilt aversion ; reciprocity ; partial …