运用投入产出法对生产性服务业内部各行业之间的关联效应进行研究，通过实证研究表明，天津市生产性服务业内部各行业间关联程度不同，其中交通运输、仓储和邮政业表现突出；与中国平均水平相比，天津生产性服务业各行业更容易拉动天津市生产性服务业的发展，但从天津生产性服务业内部结构主要构成看，天津生产性服务业内部结构不尽合理，应在保持现有结构的同时，注重发展租赁和商务服务业等新兴产业，打破技术类服务业的发展制约，优化产业结构，促进天津市生产性服务业进一步发展。这一研究对于生产性服务业产业发展具有一定的理论和现实意义。%In the paper, the inter-relevancy of the producer services is analyzed on the input -output table of Tianjin ,The result showed that:the industries included in producer services indicate different level of relevancy , especially transportation,storage and post services have excellent per -formance.Compared to the national average level , producer services industries in Tianjin have more powerful in pushing the development of the whole industries.However, the industrial structure of producer services is irrational according to the main components of producer services struc-ture.As a result, competitive industries should be paid more attention while the original structure is held .At the same time, breaking the develop-ment bottleneck, adjusting optimization the industrial structure also promote the further development of producer services in Tianjin .The research has important theoretical and practical for the further development of producer services .
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