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中文摘要：
以我国电子及通讯设备制造业为例，分析了生产行为聚集所产生的专业化和多样化环境下知识溢出以及聚集产生的竞争或垄断的环境下知识溢出对区域创新产出的影响。实证分析结果显示，专业化条件下的知识溢出对电子及通讯设备制造业的区域创新存在正面影响，多样化条件下知识溢出的影响为负，即电子及通讯设备制造业的创新，倾向于布局在该行业的专业化聚集区，竞争对区域创新存在负面影响。在此基础上提出了促进创新在区域间平衡发展的政策建议。
英文摘要：
In order to investigate the relationship between the agglomeration economics and regional innovation, panel data of the electrommunication sector in 30 provinces and cities （excluding Tibet） during the period from 2001 to 2005 were taken as a case and analyzed. The result shows that, the Marshall-Arrow-Romer externality and education demonstrate positive, while the Jacob externality imposes negative impact on technical innovation when data from all over the country and only the core metropolitan areas were observed. However, when only the data from the pe- riphery regions of the country are considered, Jacobs externality is prominent positive and MAR externality is negative on regional innovation.
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