Recent research shows that hourly payment affects decisions about time use in ways that disfavor uncompensated activities such as volunteering. This paper extends that argument by showing that the activation of money and economics as aspects of a person's self-concept is one mechanism possibly...

We examine how the practice of accounting for one’s time - so that work can be billed or charged to specific clients or projects - affects the decision to allocate time to volunteer activities. Using longitudinal data collected from law students transitioning to their first jobs, Study 1...