Most professional economists believe that economists in general are more selfish than other people and that this increased selfishness is due to economics education. This article offers empirical evidence against this widely held belief. Using a unique data set about giving behavior in...

People behave pro-socially in a wide variety of situations that standard economic theory is unable to explain. Social comparison is one explanation for such pro-social behavior: people contribute if others contribute or cooperate as well. This paper tests social comparison in a field experiment...