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...

We present a theoretical explanation of the gender wage gap which turns on the interaction between men and women in households. In equilibria where men are over-represented in fulltime work, we show that firms rationally choose to hire women only at strictly lower wages than men. The model...