Intro: Ang Sun is currently a professor at the School of Finance, Renmin University of China, as well as the Associate Editor of the Journal of Development Economics, and the Journal of Economics and Management. She received her Ph.D. in economics from Brown University. Her main research areas are development economics, labor economics, health economics and Chinese economy. In recent years, she has published more than ten papers in domestic and foreign authoritative academic journals such as Review of Economics and Statistics, Journal of Development Economics, Management Science, Demography, and Economic Research, and hosted and participated in several national and research projects.