我国港航服务业选址影响因素的时空差异性
PDF下载 (89)王栩涵,邬珊华.我国港航服务业选址影响因素的时空差异性[J].宁波大学学报(理工版),2026,39(1):98-112.DOI:10.20098/j.cnki.1001-5132.2025.0603
WANG Xuhan,WU Shanhua.Spatiotemporal differentiation of location factors in China’s port and shipping service industry[J].Journal of Ningbo University(Natural Science & Engineering Edition),2026,39(1):98-112.DOI:10.20098/j.cnki.1001-5132.2025.0603
| Title: | Spatiotemporal differentiation of location factors in China’s port and shipping service industry |
| 作者: | 王栩涵, 邬珊华 |
| Author(s): | WANG Xuhan, WU Shanhua |
| 关键词: | 港航服务业; 时空异质性; 选址; 影响因素; 地理加权回归 |
| Keywords: | port and shipping service industry; spatiotemporal heterogeneity; location choice; influencing factors; geographically weighted regression |
| 分类号: | F552.3 |
| DOI: | 10.20098/j.cnki.1001-5132.2025.0603 |
| 文献标识码: | A |
| 摘要: | 为探索我国港航服务业选址的时空影响机理,基于核密度估计法和时空地理加权回归模型,对我国港航服务业各细分产业在港口城市的布局特征及其选址影响因素的时空异质性进行了分析。结果表明:我国港航服务业企业数量总体上呈现上升趋势,覆盖范围逐渐扩大,空间格局由单极化向多极化扩展,其中运输服务、船舶支持等产业起步较早,企业数量增长迅速,在更多区域率先形成集聚,航运法律、航运保险等产业起步较晚,近年来发展提速,空间覆盖相对集中;在模型的拟合效果方面,时空地理加权回归模型优于最小二乘回归模型和地理加权回归模型;不同影响因素对港航服务业各细分产业选址的影响方向和强度存在差异;金融水平、国际贸易额、住宿业和餐饮业发展情况等因素在影响不同细分产业选址过程中呈现出显著的时间与空间异质性特征。 |
| Abstract: | To explore the spatiotemporal mechanisms influencing the location of port and shipping service industries in China, this study employs kernel density estimation and a Geographically and Temporally Weighted Regression (GTWR) model to analyze the spatial distribution characteristics and spatiotemporal heterogeneity of location factors across various sub-sectors in coastal port cities. The results show that the number of enterprises in this sector has generally increased over time, with an expanding spatial coverage and a transition from a monocentric to a polycentric spatial pattern. Among the sub-sectors, transport services and ship support services started earlier and experienced rapid growth, forming early clusters in more regions; whereas maritime law and insurance services emerged later but have accelerated in recent years, with spatial coverage remaining relatively concentrated. In terms of model performance, the GTWR model outperforms both the Ordinary Least Squares (OLS) and Geographically Weighted Regression (GWR) models. The impact of various influencing factors on the location choices of different sub-sectors varies in direction and intensity. Notably, financial development, foreign trade, and the development of accommodation and catering industries exhibit significant spatiotemporal heterogeneity in their effects across sub-sectors. |
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| 备注/Memo: | 收稿日期:2025−06−03 宁波大学学报(理工版)网址:http://journallg.nbu.edu.cn/ 基金项目:国家自然科学基金(72574111,71704089);宁波市自然科学基金(2023J124) 第一作者:王栩涵,硕士研究生,主要研究方向为交通运输规划与管理。E-mail: 2311120017@nbu.edu.cn *通信作者:邬珊华,博士/副教授,主要研究方向为交通运输规划与管理。E-mail: wushanhua@nbu.edu.cn 宁波大学学报(理工版)网址:http://journallg.nbu.edu.cn/ |