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Abstract
A good traffic hub position has important significance for the development of a city, but it also strengthens the polarization effect, diffusion effect and return effect of the regional central cities for other cities. Does the development of urban hub economy strengthen or weaken these effects? Does hub effect also need other conditions to promote urban economic development? From the perspective of technological innovation, this paper analyses the mediating effect of technology absorption and innovation in the process of urban transportation hub promoting economic development. It is found that the people flow effect in the hub effect can better promote the economic development of cities through the mediating role of knowledge absorptive and innovative ability. In the influence of logistics effect on urban economic development, the mediating role of knowledge absorptive and innovative ability is not significant.
Highlights
Transportation infrastructure is a prerequisite for economic development[1]
In the process of urban agglomeration development, each city seeks development opportunities brought by hub effect and develops hub economy through the construction of transportation infrastructure
It can be seen that the hub effect of transportation infrastructure strengthens the concentration of human capital, improves urban technology absorptive capacity, and promotes regional innovation capacity[24], further promotes urban economic development
Summary
Transportation infrastructure is a prerequisite for economic development[1]. It promotes urban economic development by improving production efficiency[2], accelerating regional economic integration, and promoting population spatial agglomeration[3]. In order to promote coordinated development of regional economies, China government issued the Opinions of the State Council on Establishing a More Effective New Mechanism for Regional Coordinated Development on November 18, 2018, which put forward a new model in which central cities lead the development of urban agglomerations and urban agglomerations drive regional development. In the process of urban agglomeration development, each city seeks development opportunities brought by hub effect and develops hub economy through the construction of transportation infrastructure. In this process, there are polarization effect, expansion effect and return effect between the central city and other cities[4].
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