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本文从生产性服务业集聚的内在机制出发,分析了生产性服务业集聚提升工业效率以及产生空间外溢效应的理论机制。在此基础上,利用中国285个地级及以上城市2003-2013年的统计数据,采用空间杜宾模型实证分析了生产性服务业集聚对工业效率提升的空间外溢效应。研究结论表明:生产性服务业集聚不仅可以提升本地区的工业效率,还能通过空间外溢效应提升周围地区的工业效率,而且这种空间外溢效应存在一定的区域边界。从生产性服务业集聚的外部性效应来看,专业化集聚和多样化集聚对不同规模等级城市工业效率提升的影响存在显著差异。
Based on the inherent mechanism of agglomeration of producer services, this paper analyzes the theoretical mechanism of agglomeration of producer services to promote industrial efficiency and spillover effects. On this basis, using the statistical data of 285 prefecture-level cities and above in China from 2003 to 2013, this paper empirically analyzes the spatial spillover effects of producer services agglomeration on industrial efficiency using the spatial Dobbin model. The conclusion of the study shows that agglomeration of productive service industry can not only promote the industrial efficiency in the region, but also improve the industrial efficiency in the surrounding area through the spillover effect of space. Moreover, there is a certain regional boundary for such spillover effect. In view of the externality effect of agglomeration of producer services, there is a significant difference in the effect of specialization and diversification on industrial efficiency in cities of different scales.