建立投资主体的分工协作关系投资论坛王元京王俊成构造新型投资体制必须建立起多元投资主体的分工协作关系。一方面，产业结构优化需要全社会投资主体的合理分工。过去产业结构的构造主要是通过国有经济投资结构实现的，因此，调整产业结构的重任往往落在国有经济投资主体... Establishing an Investment Entity’s Division of Labor and Cooperative Investment Forum Wang Yuanjing Wang Juncheng Constructing a new investment system must establish a division of labor and cooperative relations among multiple investors. On the one hand, the optimization of industrial structure requires a reasonable division of labor among all social investors. In the past, the structure of industrial structure was mainly realized through the investment structure of state-owned economy, therefore, the important task of adjusting industrial structure often fell on the investment entities of state-owned economy.