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港口群协调度评价是对港口群内港口之间合作深度、竞争强度与发展协调度的一种定量评测。笔者基于对港口群系统协调发展机理的分析,构建了由贡献指数、耦合度函数构成的港口群交互耦合协调度评价模型,并以山东半岛港口群为例,运用2003-2012年面板数据进行了实证检验。结果表明,山东半岛港口群协调度呈现出阶段性特征明显、总体不断增长的趋势,经历了由勉强协调到初级协调的发展过程。本研究能够为衡量我国港口群资源整合程度、协调港口关系提供一定的理论支撑和方法借鉴。
The assessment of the coordination degree of port cluster is a quantitative evaluation of the depth of cooperation, the intensity of competition and the coordination of development between ports in the port cluster. Based on the analysis of the mechanism of the coordinated development of port group system, the author constructs a model for evaluation of the interaction degree of port group interaction coupling composed of contribution index and coupling degree function. Taking the port group of Shandong Peninsula as an example, the author uses panel data from 2003 to 2012 Empirical test. The results show that the coordination degree of Shandong Peninsula port cluster shows a obvious stage characteristic, the overall growing trend, has undergone from the barely coordinated to the primary coordination of the development process. This study can provide some theoretical support and methodological reference for measuring the degree of integration of China’s port group resources and coordinating the port relations.