Duan Wei, doctor of economics, assistant professor, Department of industrial economics, School of business, Nanjing University. He is mainly engaged in the research of regional and urban economics, industrial economics and quantitative general equilibrium model. Presided over the youth project of National Natural Science Foundation of China and the youth project of Humanities and Social Sciences Research of the Ministry of education. He has published more than ten papers in economic research, China Social Sciences, China industrial economy, world economy and other journals, and served as an anonymous reviewer of economic research, China industrial economy and other journals. He has won the first prize for outstanding achievements in philosophy and social sciences of Jiangsu Province and the second prize for outstanding achievements in scientific research in Colleges and universities (HUMANITIES AND SOCIAL SCIENCES) of the Ministry of education.