高铁开通对我国企业出口的影响研究

Since high-speed railway go into service it has become increasingly significant for the steady growth of Chinese economy. This paper studies the impact of the high-speed railway on the export of Chinese enterprises through a quasi-natural experiment of whether the high-speed railway shall be developed and based on the data of high-speed railway, industrial enterprises and cities in China during 2005-2013 period. Based on the research of time-varying DID,it is found that the high-speed railway has a significant positive effect on the export of Chinese enterprises,and the positive effect is gradually enhanced after the opening of the high-speed railway one year later.The positive effect of the high-speed railway shows more obvious in central and western enterprises and factor intensive enterprises.Meanwhile,this paper studies the impact of the high-speed railway based on different measures on the export of enterprises.It is found that the increase in the number of high-speed railway stations and lines has a significant positive effect on the export of Chinese enterprises.This paper\'s study has an important enlightenment on optimizing the construction plan for the high-speed railway,upgrading China\'s export structure and promoting high-quality development of Chinese economy.?????