The impact of high-speed rail network expansion on urban commercial land prices in the Yangtze River Delta,China
High-speed rail(HSR),as a fast and efficient modern transportation system,has a profound impact on regional and urban economic development and spatial structure evolution.This paper obtains data on HSR service network and urban economic data of 215 cities and counties in the Yangtze River Delta(YRD)from 2009-2019,analyzes the development impact of HSR network expansion through indicators such as urban HSR operation,accessibility and connectivity.Based on the multi-period Difference-in-Differences(DID)model,we examine the impact of HSR network on the change of urban commercial land prices,and analyze the variation of HSR impact.The results show that:(1)The YRD HSR network expansion signifi-cantly reduces travel time between study units and improves network accessibility for prefec-ture-level and below units to a greater extent.The HSR network constitutes a regional back-bones centered by Shanghai-Nanjing-Hangzhou.(2)The opening of HSR services,the improve-ment in accessibility and connectivity,positively influenced the average commercial land prices of cities and counties,resulting in price appreciation of 6.6%,7.2%,and 7.4%,respectively.HSR network expansion has facilitated the relocation of business service industries to regional central cities with more frequent and convenient train services.With the advancement of HSR construction and planning in the future,local governments need to carefully consider the net-work effect of HSR in the context of local geographical and socioeconomic conditions to regu-late the supply of commercial and service land use.
HSR impactHSR accessibilityHSR connectivityurban commercial land pricesmulti-period DID modelYangtze River Delta