相关多样化、非相关多样化与区域创新产出&mdash;&mdash;以长三角地区为例

高旻昱; 曾刚; 王丰龙

doi:10.13959/j.issn.1003-2398.2020.05.013

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人文地理 ›› 2020, Vol. 35 ›› Issue (5) : 103-110. DOI: 10.13959/j.issn.1003-2398.2020.05.013

经济

相关多样化、非相关多样化与区域创新产出——以长三角地区为例

高旻昱^1,2, 曾刚^1,2,3, 王丰龙^1,3,4

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RELATED, UNRELATED VARIETY AND REGIONAL INNOVATION OUTPUT: A CASE STUDY OF YANGTZE RIVER DELTA

GAO Min-yu^1,2, ZENG Gang^1,2,3, WANG Feng-long^1,3,4

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摘要

创新是当今区域经济增长的关键驱动力之一，区域多样化与区域发展之关联是经济地理学研究的重要议题。目前国内的创新来源逐渐从外部知识引进为主向依靠区域自身创新能力为主转变，即重视本地知识结构对创新产出的重要影响。然而，现有研究主要关注多样化对区域经济发展的影响，较少分析多样化对区域创新产出的影响，也很少涉及多样化对邻近地区创新产出的空间效应。为此，本文构建了分析相关多样化和非相关多样化对区域创新产出影响的理论框架，并基于2011—2016年长三角地区26个地级市IPC分类专利的面板数据，运用空间杜宾模型，分析了本地知识结构的多样化对区域创新产出的影响。研究发现：①长三角城市群内部相关多样化与非相关多样化格局相似，省际间呈现沿海高内部低、省内呈现中心城市高周围城市低的空间格局。②知识相关多样化能够促进地方创新产出，而非相关多样化与地方创新产出之间呈现倒U型关系，即区域过度的非相关多样化对其创新产出有负向影响。③本地创新受相邻地区相关多样化的负向影响。本文对长三角区域创新机理的研究对于丰富我国创新地理学的理论与应用具有重要意义。

Abstract

Based on previous studies in economic geography, this paper investigates the effects of related and unrelated variety on regional innovation outputs of 26 cities in the Yangtze River Delta, China. The data is mainly from city-level patent application data from 2011 to 2016 collected from SIPO (Chinese State Intellectual Property Office). Related and unrelated variety are measured by entropy index which is first proposed by Frenken et al. in 2007. The effects of related and unrelated variety on regional innovation performance are estimated with spatial Durbin model. The results indicate that: 1) The related variety pattern of the Yangtze river delta city cluster is similar to that of the unrelated variety pattern. 2) Related variety has significantly positive effect on innovation output, suggesting that related variety can facilitate knowledge production and spillover; 3) We find a spatial effect that related variety of adjacent cities has a marginally negative impact on local innovation performance.

关键词

相关多样化 / 非相关多样化 / 区域创新 / 空间杜宾模型 / 长三角

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高旻昱, 曾刚, 王丰龙. 相关多样化、非相关多样化与区域创新产出——以长三角地区为例[J]. 人文地理. 2020, 35(5): 103-110 https://doi.org/10.13959/j.issn.1003-2398.2020.05.013

GAO Min-yu, ZENG Gang, WANG Feng-long. RELATED, UNRELATED VARIETY AND REGIONAL INNOVATION OUTPUT: A CASE STUDY OF YANGTZE RIVER DELTA[J]. HUMAN GEOGRAPHY. 2020, 35(5): 103-110 https://doi.org/10.13959/j.issn.1003-2398.2020.05.013

中图分类号： K902

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