发挥大城市的聚集经济效益是经济集约增长的重要内容.本文拟从制造业为切入口,在分析上海聚集效益现状和问题的基础上,提出一些政策建议. It is an important content of economic intensive growth that the economic benefits of gathering in large cities play an important role.This paper intends to take manufacturing as the starting point and put forward some policy recommendations based on the analysis of the status quo and problems of the gathering efficiency in Shanghai.