基础设施投资与区域经济增长的关系研究--以山东省日照市为例

Research on the Relationship between Infrastructure Investment and Regional Economic Growth--Taking Rizhao City of Shandong Province as an Example

基础设施投资是经济增长的重要因素。本文在日照市基础设施投资规模不断扩大的背景下,选取2001—2016年数据,首先对基础设施投资的结构进行分析,然后运用协整、误差修正模型等方法对基础设施投资与经济增长关系进行剖析。通过研究发现,日照市基础设施投资对经济增长的拉动作用是正向的,但2005年以来基础设施投资规模已达到最优。

Infrastructure investment is the important factor for economic growth.In the context of the continuous expansion of infrastructure investment in Rizhao City,this study selects data from 2001 to 2016,fi rst analyzes the structure of infrastructure investment,and then uses cointegration and error correction models to analyze the relationship between infrastructure investment and economic growth.Through research,it is found that Rizhao’s infrastructure investment has a positive eff ect on economic growth,but since 2005,the scale of infrastructure investment has reached the optimum.