江苏省交通运输投资与区域经济增长的相关性研究

Study on Correlation between Investment in Transportation and Development of Regional Economy of Jiangsu Province

交通运输是区域经济发展的重要基础。文章运用相关性分析方法,结合2005~2015年间江苏省交通运输投资与地区生产总值的数据进行定量计算,相关性分析结果表明两者存在相关系数为0.960792的高度相关性;葛兰杰因果关系检验结果表明江苏省交通运输投资与区域经济增长之间存在双向的因果关系。

Transportation is the important foundation of development of regional economy. In this article, the method of correlationanalysis is applied. The correlation coefficient between investment in transportation and regional GDP of Jiangsu province is cal-culated based on the data of years from 2005 to 2015. The correlation coefficient is 0.960792 and shows the high degree corre-lation between them. Finally, the result of Granger causality tests shows the bidirectional causality between the investment intransportation mad regional GDP of Jiangsu province.