Huan Wang is a fourth-year PhD candidate in economics in the Faculty of Business and Economics at the University of Melbourne. His research fields are development economics and health economics. In particular, he is interested in evaluating health-related policies and understanding individual's decision making process on health-related choices, such as health care seeking and other types of health investments in developing countries. His first chapter of his thesis, evaluates the medium-term impact on health from the New Cooperative Medical Scheme in China. His current chapter studies the short and medium-term impact of a roll-out of anti-retroviral treatments in Malawi on economic outcomes, fertility preferences and health investments.