This article provides an overview highlighting some major themes of the recent literature on the role of pro-social motivation in the provision of social services. We focus on the insights obtained from two alternative ways of modelling pro-social motivation; action-oriented and output-oriented...

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 contributeif others contribute or cooperate as well....