Dr. Liu Yifang is an associate professor of School of Economic at Central University of Finance and Economics in Beijing. She received her PhD Degree in Chinese Academy of Science. Her teaching and research fields are National Economics and Environmental Input-Output Analysis. She undertakes several projects funded by the National Nature Science Foundation of China (NSFC), the Nature Science Foundation of Beijing and Foundations from Ministry of Education of China. She has published twenty research papers in the top international and national journals in her research area.