The calculation for the influence of high-speed railway on knowledge spillover is based on the results of global instantaneous equilibrium in the mechanism explanation of knowledge spillover. In real production, the interaction between the high-speed railway and the regional innovation system is dynamic and local. In order to simulate the impact of high-speed railway on innovation activities in the time dimension, it is necessary to simulate scenarios under appropriate parameter assumptions. Based on the interaction of economic participants, a discrete evolutionary simulation model is established, which is helpful to predict and estimate the evolution of spatial effect of high-speed railway according to the theory of cellular automata. It is concluded that high-speed railway accelerates the formation of knowledge innovation industry cluster in the region in the process of regional knowledge innovation and evolution. Under the influence of high-speed railway, the node city will gradually evolve into a regional innovation center. By comparing the production evolution of knowledge innovation system with and without high-speed railway, the results show that high-speed railway has a more significant impact on knowledge spillover in higher knowledge privatization environment. Under the background of low labor migration rate, high-speed railway has increased the potential of regional innovation to external knowledge spillover. In the case of higher labor migration rate, the convergence rate of influence of high-speed railway on the concentration of innovation is faster.
Abstract. In order to estimate the influence of high speed railway on the knowledge spillovers among different provinces, this paper defines the connotation of knowledge spillovers. According to the analysis framework of knowledge spillover, the SAR/SDM panel data model are established based on the spatial econometric model to analysis the spatial change of knowledge innovation process. The results proved the existence of knowledge spillovers, and analyzed the different motivation of spatial spillover. The main reason for the spatial spillover of knowledge innovation is the path dependence caused by the time lag effect. Based on the analysis of knowledge spillovers in knowledge innovation, it can be found that regional innovation tends to agglomeration under the spillover effect of high speed railway, while regional production tends to be dispersed.
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