长三角县域三次产业协调发展的空间特征及动力机制

Spatial Characteristics and Mechanism of the Coordinated Development of Three Industries at County Level in the Yangtze River Delta

文章重构县域三次产业协调发展的指标体系,利用耦合协调模型测度三次产业协调发展水平,进行协调发展类型分区并剖析其特征,并运用空间杜宾模型探究其动力机制。研究表明:(1)长三角县域根据三次产业协调发展水平可分为高度协调发展区、中度协调发展区以及低度协调发展区,其中高度协调发展区在空间格局上以苏南地区集聚为主。(2)长三角县域整体及三大类型分区均具有显著的空间集聚态势,且空间异质性逐渐减弱。(3)技术创新、基础投资、金融服务、财政支出、"互联网+"五大机制对长三角不同类型分区的影响效应均存在空间异质性。因此,应本着异质性区域差异化指导的原则制定相关政策措施。

The research reconstructs the evaluation index system of the coordinated development of the three industries,uses the coupling coordination degree model to measure its level,and applies the Spatial Durbin Panel Model to explore the mechanism of the coordinated development of the three industries.It shows that:1)According to the coordinated development level of the three industries,it can be divided into a high-level coordinated development zone,a moderatelevel coordinated development zone and a low-level coordinated development zone in the counties of the Yangtze River Delta.2)It presents noticeable space agglomeration at the whole and regional level in Yangtze River Delta,and spatial heterogeneity is gradually weakened.3)Five mechanisms(technological innovation,fiscal support,financial services,infrastructure investment and Internet+)have different influences on the three zones of the Yangtze River Delta.Lastly,the article puts forward some suggestions that implement measures should be formulated in accordance with the principle of regional differentiation guidance.