This paper analyzes impacts of democratization in Africa, including effects of improved, property rights on economic growth and of greater political participation on civil violence. Democracy is endogenous to economic growth and other outcomes, which hampers most, empirical analysis. This paper...

This paper analyzes persistence and attainment in postsecondary STEM education using data from the Beginning Postsecondary Students Longitudinal Study. Ability is shown to have a consistent impact on STEM performance. Self-efficacy has large estimated impacts and there is evidence of strong bias...

This paper analyzes impacts of democratization in Africa, including effects of improved property rights on economic growth and greater political participation on civil violence. Democracy is endogenous to economic growth and other outcomes, which hampers most empirical analysis. This paper uses...