His research interests include health policy, cancer care delivery research, behavioral economics and patient decision-making. He is currently working with a team of researchers on the effects of federal and state regulations on e-cigarette use and how preferences impact decision-making in cancer, as well as on several projects related to health insurance decision-making. Dr. Barnes is the co-author of the book Healthcare Systems in Transition: United States of America and co-editor of the upcoming book Behavioral Economics and Health Behaviors: Key Concepts and Current Research. He completed his doctoral training in health policy with a concentration in economics at the University of California, Los Angeles, and holds a masters of public health from Tulane University.