Fenglian Du, professor of economics, doctoral supervisor, Sino-US Fulbright Program visiting scholar,vice president of Inner Mongolia University, dean of School of Economics and Management of Inner Mongolia University, director of Survey and Research Center for China Time Use of Inner Mongolia University. Selected by the "New Century Excellent Talents Plan" of the Ministry of Education and State-Council Allowance Expert. Her research fields are labor market issues and regional industrial development. Her papers have been published in Economic Development and Cultural Change, Cambridge Journal of Economics, World Economy, China Population Resources and Environment and other journals. Currently, her main research fields are time utilization, intergenerational transmission of education and economy and regional coordinated development. Wenbin Wang, Ph.D. of Economics, deputy director of China Time Use Survey and Research Center of Inner Mongolia University. His research field are labor economics, time use economics and urban economics.Xiaoyuan Dong, professor of the Faculty of Business and Economics of the University of Winnipeg, associate editor-in-chief of Feminist Economics, member of International Association for Feminist Economics. Her research areas are China's economic transformation, labor market, gender and women's status. Her articles have been published in many international core academic journals, including Journal of Political Economy, Journal of Development Economics, Journal of Comparative Economics, Economics of Transition, Feminist Economics and so on. Her current research areas are unpaid care, time use, social gender, etc.