创新投入在城市群内的空间格局是城市群内城市间创新功能分工的综合体现，对城市群整体创新绩效有着较为深刻的影响。基于此，本文以长江经济带6 大城市群为样本，借用城市基尼系数和城市首位度方法，计算了其创新投入的空间格局和演化趋势，并运用面板协整的方法分析了城市群整体创新绩效与创新投入空间格局之间的均衡及因果关系。研究发现：①6 大城市群中长三角城市群、武汉城市群和长株潭城市群的创新资源配置属于单核结构模式，其余的城市群为"双中心"或"多中心"模式；②城市群整体技术创新绩效与创新投入空间格局的城市首位度之间存在"倒U型"关系；③城市群技术创新绩效与城市首位度之间互为长期因果关系，但是从短期看，仅存在城市首位度对技术创新绩效的单向因果关系。
Abstract
The spatial pattern of innovative input in the urban agglomeration is the comprehensive reflection of innovation function division among cities in urban agglomerations, which affects its overall innovation performance profoundly. Thus, this paper took the six urban agglomerations, applied urban Gini coefficient and urban primacy index, calculated the spatial pattern and evolution trend of their innovation input, analyzed the equilibrium relationship and causality between urban agglomeration overall innovation performance and innovation input spatial pattern by panel co-integration, and drew the following conclusions. Firstly, from perspectives of both concentration degree and urban primacy ratio, spatial patterns of innovation investment of six urban agglomerations of Yangtze Economic Zone are steady. Secondly, these six urban agglomerations can be divided into two types, and the rest is bicenter or multicenter model. Thirdly, from perspectives of relation between spatial patterns of innovation investment and regional innovation performance, there exist long term equilibrium between urban agglomerations of Yangtze Economic Zone. Fourthly, the relation between urban agglomeration technological innovation performance and the urban primacy ratios is inverted u-shaped.
关键词
城市群 /
首位度 /
技术创新绩效 /
长江经济带
Key words
urban agglomeration /
urban primacy index /
technological innovation performance /
Yangtze River economic belt
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基金
国家软科学面上项目（2014GXS4D107）；教育部人文社科项目（14YJC790140）；华中师范大学"丹桂计划"项目（CCNU15A03004）
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