Transportation Infrastructure Construction Affects the Growth and Convergence of Total Factor Productivity(TFP)
Urban total factor productivity(TFP)growth and convergence are important indicators to measure high-quality development and achieve common prosperity.From the perspective of spatial economics(economic geography),this article calculates TFP based on the traditional Solow Method and uses the β-convergence model and panel spatial econometric methods to empirically analyze how transportation infrastructure construction affects TFP growth and convergence among cities using data on the prefecture-level from 2003 to 2019.The paper finds that:firstly,the average contribution rate of TFP to urban economic growth increased from 4％in 2003 to 8％in 2019;secondly,transportation infrastructure construction can promote both TFP growth and convergence in cities and the marginal contribution rate of road network density to the average TFP growth rate is 8.3％;thirdly,However,specifically,industrial agglomera-tion mainly achieves local TFP growth through market competition within the same industry,and it turns out an inhibiting effect on TFP growth in nearby cities.In conclusion,the study enriches the discussion on the growth and convergence of Total factor productivity at the city level.Based on empirical analysis of empirical data,it affirms the positive impact of transportation infrastructure construction on the growth and convergence of urban Total factor productivity.
total factor productivitytransportation infrastructurespatial economic convergencehigh-quality developmentcommon prosperity
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