Li Yang, male, originally from Wuhan, Hubei Province, was born in Nanjing, Jiangsu Province in February 1974; 1990 was admitted to Peking University institute of economics, and obtained bachelor's and master's degrees in economics; 65438-0997 went to study in Bonn University, Germany, and obtained a doctorate in economics. He has been teaching in Peking University and Harvard University since 2002. The main research fields are western economics, macroeconomic problems in China, micro-foundation of macroeconomics and regional economics.