There is a debate among social scientists regarding the existence of a peer externality commonly referred to as 'acting white.' Using a newly available data set (the National Longitudinal Study of Adolescent Health), which allows one to construct an objective measure of a student's popularity,...

An extensive literature has documented racial, ethnic, and socioeconomic disparities in health care and health outcomes. We argue that the influence of geography in medical practice needs to be taken seriously for both the statistical measurement of racial disparities, and in designing reforms...

This article describes a randomized field experiment in which parents were provided financial incentives to engage in behaviors designed to increase early childhood cognitive and executive function skills through a parent academy. Parents were rewarded for attendance at early childhood sessions,...