Abstract
By obtaining the panel data of 16prefecture-level cities in Shandong Province from 2005 to 2018 for 14 years, this paper selects Shandong highway mileage as the core explanatory variable, GDP as the explained variable, urbanization rate, passenger volume, freight volume, government participation and fixed capital investment level as other explanatory variables, and adds economic lag effect on this basis. The fixed effect model or random effect model is tested according to the modified Hausman test. In order to make the results more accurate and reliable, the data are tested and corrected by inter-group heteroscedasticity, intra-group autocorrelation, cross-sectional correlation and multiple collinearity, and the spatial effect of Shandong economy is tested by Moran index. In-depth verification of the impact of highway construction on the economy of Shandong Province. The results show that the random effect model has passed the Hausman test. The revised model shows that highway construction has a positive effect on the overall economy of Shandong Province, and other explanatory variables also have varying degrees of pulling effect on the economy, but the spatial effect of economy is not significant, which provides a reference basis and example verification for highway construction in the future. To better promote the close ties between the regions of Shandong Province and make contributions to economic development.
Highlights
Shandong Province connects the Central Plains Economic Zone, and is adjacent to the BeijingTianjin-Hebei and Yangtze River Delta two world-class urban agglomerations from the north to the south
The revised model shows that highway construction has a positive effect on the overall economy of Shandong Province, and other explanatory variables have varying degrees of pulling effect on the economy, but the spatial effect of economy is not significant, which provides a reference basis and example verification for highway construction in the future
Zheng Mengmeng found that expressway construction had a significant positive effect on the economic growth of Guangdong Province, and the panel data respectively verified the effect on the overall economy
Summary
Shandong Province connects the Central Plains Economic Zone, and is adjacent to the BeijingTianjin-Hebei and Yangtze River Delta two world-class urban agglomerations from the north to the south It is a strategic node of my country’s expansion from south to north and gradient development from east to west. Whether the huge investment in highway construction can greatly promote the high-quality economic development of Shandong Province remains to be verified. Dong Xiaofang and others used the double difference model to verify the expressway The opening of the highway has a significant positive impact on the economy of the counties passed by [2]. Zheng Mengmeng found that expressway construction had a significant positive effect on the economic growth of Guangdong Province, and the panel data respectively verified the effect on the overall economy.
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