统一大市场建设对城际经济协同发展的影响研究

The Impact of Unified Large Market Construction on the Intercity Economic Coordinated Development

城际经济协同发展是我国现代化城际发展格局构建的重要方向,而统一大市场建设在城际经济协同发展进程中发挥着重要作用。文章基于2011—2020年全国243个地级及以上城市构成的29403组两两城市对样本,实证检验统一大市场建设对城际经济协同发展的影响效应及其作用机制和调节效应。研究发现:统一大市场建设显著促进我国城际经济协同发展,在处理内生性问题和进行稳健性检验后结论依然成立;处于同一区域内部的城市间统一大市场建设推动经济协同发展的作用强于不同区域城市间的作用;统一大市场建设可以通过产业结构优化和市场需求驱动,促进城际经济协同发展;经济关联度可以强化统一大市场建设对城际经济协同发展的促进作用,而地理临近性的调节作用并不显著。

The coordinated development of intercity economy is an important direction for the construction of China's modern intercity development pattern,and the construction of a unified large market plays an important role in the process of intercity economic coordinated development.Based on a sample of 29403 pairwise cities consisting of 243 prefecture level and above cities in China from 2011 to 2020,this article empirically tests the impact,mechanism,and regulatory effect of the construction of a unified large market on the coordinated development of intercity economy.The findings are as follows:the construction of a unified market has significantly promoted the coordinated development of China's intercity economy,and the conclusion remains valid after addressing endogeneity issues and conducting robustness tests;the role of building a unified large market among cities within the same region in promoting coordinated economic development is stronger than that of cities in different regions;the construction of a unified large market can promote the coordinated development of intercity economy through the optimization of industrial structure and the driving force of market demand;Economic correlation can strengthen the promoting effect of the construction of a unified large market on the coordinated development of intercity economy,while the regulatory effect of geographical proximity is not significant.