Over the last several decades, the number of individuals pursuing graduate degrees has grown rapidly, especially among women. Yet, there is limited evidence about the returns of graduate degrees for men and women, and how this varies by type of graduate degree. Even less is known about the impact of graduate degrees on other aspects of work life, such as hours worked and job satisfaction. This paper estimated the causal effects of specific graduate fields on earnings, the occupational component of earnings, the hourly wage, and hours worked.