Zhao Zhong, male, was born in 1962, received a doctorate and a master's degree in economics from Johns Hopkins University, and a B.A. in economics from the Renmin University of China. His publications include "Migration, Labor Market Flexibility, and Wage Determination in China: A Review of The Developing Economy," "The Short Term Impact of SARS on Chinese Economy," and "Using Matching to Estimate Treatment Effects: Data Requirement, Matching Metrics and Monte Carlo Evidence," in the Review of Economics and Statistics. He is a professor of the China Center for Economic Research of Beijing University.