- Dr Ou Yang is a research fellow at the Melbourne Institute of Applied Economic and Social Research at the University of Melbourne, Australia. He obtained his PhD in econometrics from Monash University. He specializes in health economics and econometrics. His research interests include Microeconometric models and applications in health economics; Applied econometrics; Demand system specification and estimation; Semiparametric models and applications. Prior to joining the Melbourne Institute, Dr Yang worked for the Department of Health and Human Services as Senior Statistical Consultant.