On the morning of Nov. 24th, the 39th Yunshan Academic Salon was held in the Meeting Room 304. Prof. Li Hongbin, chair professor on economics and deputy executive director of China's Economic and Social Data Center of Tsinghua University gave a lecture on the Current Issue of Chinese Economy and Research Methodologies. The salon was hosted by Prof. Liu Jisen, deputy secretary general of GRIIS. Li Hongbin elaborated the causal relationship in the empirical analysis method based on the four academic papers published by him. And then he exchanges ideas with participant.