关键词: 交通基础设施, 产业结构, 广义矩估计法, 中介效应

Abstract: Transportation infrastructure is a key link between products and production factors With the rapid development of China’ s transportation infrastructure, its impact on industrial structure changes deserves our attention Using the provincial panel data from 1999 to 2016, the impact of China’ s transportation infrastructure on industrial structure changes and regional differences are tested by using the generalized method of moments (GMM), and further the transmission mechanism of transportation infrastructure to industrial structure changes is examined through mediating effects The results indicate that: from a national perspective, transportation infrastructure has a significant impact on industrial structure changes, and the contribution to the secondary industry is greater than that of the tertiary industry; in terms of regions, the secondary industry in the eastern and central regions benefits greatly, and the tertiary industry benefits more in the western region Further research has found that human resources and technology have significant mediating effects in the industrial structure of transportation infrastructure; from the results of different regions, there are some differences in the mediating effects in different regions The development of transportation infrastructure plays a positive role in accelerating the adjustment of regional industrial structure and improving the efficiency of factor allocation However, it should also pay attention to the structural problems that may cause partial excess and shortage of factors, which further aggravates the imbalance of industrial structure among regions

Key words: transportation infrastructure, industrial structure, GMM method, mediating effect