Jie Xue, PhD, associate professor, she is currently the director of the Department of statistics, School of economics, Hangzhou Dianzi University, China. She received her PhD in 2010 from Xiamen University in China. Her main research interests include macroeconomic statistical analysis, big data model and machine learning, etc. She presided over several projects such as the National Social Science Foundation of China and published many articles in national and international journals.