Professor Wei Tian is a tenured associate professor of the School of Economics, Peking University. Her research fields include trade liberalization, import and export enterprises, and foreign direct investment. She has published research papers in domestic and foreign academic journals such as The Economic Journal, The World Economy, Economic Research, Management World. Professor Tian’s research results have won "An Zijie" International Trade Research Award. Professor Miaojie Yu is President of Liaoning University, and Liberal-Art University Professor of Peking University, China. He is Chang-Jiang Scholar of Ministry of Education of China and is awarded as China’s National Science Fund for Distinguished Young Scholars. Professor Yu is the world's top 1% of highly cited economists in economics and management. He has published more than 150 peer-reviewed papers and 22 books in English and Chinese and won the prize of Royal Economic Society (2015).