长三角交通可达性、经济联动与城市中心性OA

Based on panel data from 41 cities in the Yangtze River Delta region from 2008 to 2022,a two-way fixed effects model was employed to analyze the impact of improved transportation accessibility on inter-city economic linkage and urban centrality,as well as its underlying mechanisms.The results show that enhanced transportation accessibility significantly strengthens economic linkage by attracting talent agglomeration and optimi-zing resource allocation.Influenced by urban transportation hierarchy and industrial struc-ture,the effect of improved transportation accessibility on economic linkage is more pro-nounced in transportation hubs and service-oriented cities.Furthermore,the effect of transportation accessibility on economic linkage is significantly stronger in newly integrat-ed cities of the region compared to core cities,and improved transportation accessibility al-so enhances urban centrality.