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中文摘要：
从一个较新的城市等级体系视角出发，分析了生产性服务业集聚与中国城市生产率增长的关系。结果显示：中国生产性服务业主要集中在顶级城市，集聚程度持续上升，而制造业则呈现出由顶级城市向其他城市扩散的态势。基于对省会城市及计划单列市的实证检验表明：生产性服务业的集聚对城市生产率的增长具有明显的促进效应，其主要通过促进城市技术进步的机制来实现；而制造业的集聚对城市生产率增长的促进效应不显著。这意味着城市生产率增长的驱动因素已发生转变，生产性服务业的集聚在城市生产率提升中发挥着主导作用。进一步的动态分析显示：生产性服务业集聚程度的上升，对特大城市生产率和城市效率的提升均具有显著的促进作用。
英文摘要：
This essay examines the relation between productive services agglomeration and urban productivity in China from a new urban hierarchy perspective. It shows that China＇ s productive services mainly concentrate at the upper end of the urban hierarchy, which continues to increase. However, the manufacturing industry decentralizes down the urban hierarchy and from the largest metropolitan areas to other areas. The empirical evidence based on municipalities and cities with independent plans shows that productive services agglomeration＇ s urban productivity effect is significant which is mainly through the urban technical progress mechanism, but manufacturing agglomeration＇ s urban productivity effect is not significant. This means that productive services agglomeration plays an important role in urban productivity. This result is more significant in the largest metropolitan areas. Further analysis shows that an increase in productive services agglomeration would continually promote the urban productivity and efficiency of the largest metropolitan areas.
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