Abstract
This paper selects the panel data of 16 cities in the Chengdu-Chongqing urban agglomeration from 2005 to 2015, and uses differences-in-differences model to analyze the impact of high-speed railways on the industrial structure and Carbon Emission of the Chengdu-Chongqing urban agglomeration. The results show that the construction of high-speed rail has reduced the proportion of the secondary industry and has a significant role in promoting the development of the tertiary industry. Among them, fixed asset investment increased the proportion of the secondary industry and the tertiary industry, and technology investment decreased the proportion of the secondary industry, and increased the proportion of the tertiary industry, indicating that the improvement of the level of informatization is helpful to the development of the tertiary industry. It is proposed that a more reasonable evaluation system for the economic effects of highspeed rail should be established. At the same time, the impact of high-speed rail construction on the industrial structure is different. When formulating policies, we must not only weigh the spillover effect and siphon effect of high-speed rail, but also give full play to the carbon reduction effect of economic agglomeration.
Highlights
The construction of transportation infrastructure has a profound impact on the speed and quality of economic development
The fixed asset investment, land built-up area, and education investment have an impact coefficient of 4.73e-08, 0.178, and 0.517 on the secondary industry, respectively, indicating that these have a positive effect on the secondary industry
The impact coefficients of fixed asset investment, total retail sales of social goods, and technology investment on the tertiary industry are 6.07e-08, 3.38e-07, and 0.964, respectively, indicating that these have a positive effect on the tertiary industry
Summary
The construction of transportation infrastructure has a profound impact on the speed and quality of economic development. The high-speed railway greatly reduces the time and space distance between cities along the line, extends the travel radius of passengers within a period of time, or saves travel time in a certain area It is of far-reaching significance to the improvement of regional transportation accessibility, economic and trade exchanges, and the adjustment of industrial structure. The competition and cooperation between urban agglomerations have made the social connections between regions of different scales and between cities within regions more complex and close In this context, the construction and operation of high-speed rail have an important positive effect on the acceleration of the process of urban integration, the impact of the economic. In large-scale cities, the secondary industry develops rapidly, and the competitive advantage is higher than that of medium-scale cities. [8]
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