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| Research on the Impact of Innovation Factor Flow on Synergetic Innovation of Urban Agglomeration |
| Li Lin,Liu Rui |
| （School of Economics and Trade,Hunan University，Changsha 410012, China） |
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Abstract Based on the panel data of 41 cities in the Yangtze River Delta urban agglomeration and the middle reaches of the Yangtze River from 2006 to 2017, this paper first measures the level of synergetic innovation of the two urban agglomerations by using the extended DEA method, and then establishes a spatial econometric model to empirically examine the impact of the flow of innovation factors on the synergetic innovation of urban agglomerations. Further, taking the level of Internet development as the threshold variable, this paper constructs a threshold model to explores whether the level of Internet development has a threshold effect on the synergetic innovation effect of innovation factor flow in urban agglomeration. The results show that the total effect of innovation factor flow on synergetic innovation of urban agglomerations is significantly positive, the positive spatial spillover effect is obvious, and there are differences between groups; in the two urban agglomerations, the impact of innovation factor flow on synergetic innovation of urban agglomerations is non-linear, and the impact of innovative personnel flow on synergetic innovation of urban agglomerations is “inverted u-shaped”.The impact of innovative capital flow on synergistic innovation of urban agglomerations is “u-shaped”, and the inflection points are heterogeneous in different urban agglomerations.
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Received: 21 March 2020
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