Jiaju’s primary responsibilities will be to participate in and contribute to Professor Xie’s project on social mobility and stratification. Jiaju’s credentials and interests are well aligned with the needs of the project. She is a Ph.D student working toward her degree in Population, Resources and Environmental Economics at Renmin University of China. Her research interests focus on fertility, aging, and population policymaking. She will also benefit professionally from the research experience and the contacts she will develop by working with us.