高铁开通对江苏省区域经济发展的影响
The Impact of the Opening of High-Speed Rail on the Regional Economic Development of Jiangsu Province

高速铁路因快速和便捷等优势，改变了交通方式，提高了区域的可达性，促进了资源的流动，带动了区域经济的增长。江苏省的经济发展位于全国的前列，其中高铁的发展对江苏省的发展起到了一定的促进作用，但是苏南、苏中、苏北区域之间存在着经济不平衡发展问题，高铁也面临着“南重北轻”的局面，因此加剧了江苏省区域发展的不平衡性。本文选取江苏省13个地级市2005~2020年的面板数据，通过双重差分模型(DID)研究高铁对江苏省各城市经济差距的影响。结果表明，高铁建设会对江苏省各城市的经济增长具有正向推动作用，同时也加大了各城市经济发展的差距。
Due to the advantages of speed and convenience, high-speed railways have changed the mode of transportation, improved regional accessibility, promoted the flow of resources, and driven the growth of regional economies. The economic development of Jiangsu Province is at the forefront of the country, of which the development of high-speed rail has played a certain role in promoting the development of Jiangsu Province, but there is an economic imbalance between southern Jiangsu, central Jiangsu and northern Jiangsu, and high-speed rail is also facing the situation of “south over north”, thus aggravating the imbalance in regional development in Jiangsu Province. In this paper, panel data from 2005 to 2020 from 13 prefecture-level cities in Jiangsu Province are selected to study the impact of high-speed rail on the economic gap of cities in Jiangsu Province through a dual differential model (DID). The results show that the construction of high-speed rail will have a positive role in promoting the economic growth of cities in Jiangsu Province, and also increase the gap in the economic development of cities.