演化经济地理学视角下港城关系评价的新方法：PIDI指数

李南; 常文千; 韩国玥

doi:10.13959/j.issn.1003-2398.2026.05.008

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人文地理 ›› 2026, Vol. 41 ›› Issue (5) : 75-86. DOI: 10.13959/j.issn.1003-2398.2026.05.008

经济

演化经济地理学视角下港城关系评价的新方法：PIDI指数

李南¹, 常文千², 韩国玥²

作者信息 +

A NOVEL METHOD FOR EVALUATING THE PORT-CITY RELATIONSHIP FROM THE PERSPECTIVE OF EVOLUTIONARY ECONOMIC GEOGRAPHY: THE PIDI INDEX

LI Nan¹, CHANG Wen-Qian², HAN Guo-Yue²

Author information +

文章历史 +

摘要

与主要评价港城规模关系的RCI、DCI等方法相区别，以演化经济地理学为理论依据，提出港城关系评价的新方法——PIDI指数，并以环渤海港口城市为例，计算2003—2022年PIDI指数。研究发现：①将作为港口城市综合化程度关键因素的产业多样性与港口发展水平组合设计而成的PIDI指数，能够推断港产关系类型和路径依赖类型，更准确地评价港口城市演化；②强调产业发展在传导港城关系方面核心作用的PIDI指数与原有方法相比，具有指标体系全面、函数型数据分析方法等优势，实证应用表明可以得到更完善、更细化的港城关系类型判别；③根据PIDI指数算例，认为环渤海港口城市群存在路径依赖型良性互动等四种港城关系。

Abstract

Unlike methods such as RCI and DCI that mainly evaluate the scale relationship between ports and cities, this research is based on the theory of evolutionary economic geography, taking the comparison between industrial diversity and port development levels as the key to evaluate the types and evolution of port-city relationships. After measuring the port development level and the industrial diversification level of port cities separately, this study uses functional data analysis as a computational tool and proposes a new method for evaluating port-city relationships, namely the Port-Industry Diversity Index (PIDI). Taking the port-city cluster in the Bohai Rim as a case study, this study calculates the changing characteristics of the PIDI matrix from 2003 to 2022. The research findings are as follows: 1) The PIDI designed by combining industrial diversity with port development level can evaluate the evolution of port cities more accurately, inferring the types of port-industry relationships and path dependence. 2) Compared with the original methods, the PIDI, emphasizing the core role of industrial development in transmitting port-city relationships, has advantages in a comprehensive indicator system and the use of functional data analysis. The empirical application in the Bohai Rim demonstrates that the PIDI can distinguish types of port-city relationships in different periods scientifically and comprehensively. 3) According to the PIDI calculations, there are four types of port-city relationships in the Bohai Rim: path-dependent positive interaction type, path-dependent portindustry mismatch type, path-breakthrough positive interaction type, and path-breakthrough port-industry mismatch type.

导出引用

李南, 常文千, 韩国玥. 演化经济地理学视角下港城关系评价的新方法：PIDI指数[J]. 人文地理. 2026, 41(5): 75-86 https://doi.org/10.13959/j.issn.1003-2398.2026.05.008

LI Nan, CHANG Wen-Qian, HAN Guo-Yue. A NOVEL METHOD FOR EVALUATING THE PORT-CITY RELATIONSHIP FROM THE PERSPECTIVE OF EVOLUTIONARY ECONOMIC GEOGRAPHY: THE PIDI INDEX[J]. HUMAN GEOGRAPHY. 2026, 41(5): 75-86 https://doi.org/10.13959/j.issn.1003-2398.2026.05.008

中图分类号： F550

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