基于涉海A股上市公司的中国沿海地区海洋经济网络结构韧性演化研究

伴随着中国海洋经济战略地位的不断提高,在内外部扰动下增强中国沿海地区海洋经济韧性成为了发展海洋经济的必然途径与重要保障。论文从海洋经济网络结构视角开展韧性研究,运用涉海A股上市公司及其子公司信息构建海洋经济网络,分别从层级性、匹配性和传输性3个维度对2010、2015、2020年海洋经济网络结构韧性进行评价。结果表明：① 中国沿海地区海洋经济网络层级性提升,区域绝对极化与相对均衡化并存;② 匹配性由同配性转变为异配性,核心城市与边缘城市的联系增强;③ 传输性总体上处于较低水平,但具有提升之势;④ 层级性、异配性与传输性的增强提升了海洋经济网络的凝聚性、创新性与开放性,使中国沿海地区海洋经济网络结构韧性得到增强。研究旨在丰富经济地理学韧性研究以及为海洋经济安全发展提供一定的研究基础和参考依据,以期助力海洋经济高质量发展。

Structural resilience change of China’s marine economic network based on the data of sea-related A-share listed companies

With the continuous improvement of the strategic status of China's marine economy, enhancing the resilience of marine economy in China's coastal areas under internal and external disturbances has become an inevitable way and an important guarantee for its development. In this study, we carried out resilience research from the perspective of marine economic network structure. We used the data of sea-related A-share listed companies and their subsidiaries to build a marine economic network, and evaluated the structural resilience of the marine economic network in 2010, 2015 and 2020 from the three dimensions of hierarchy, assortativity, and transmission. The results show that: 1) The hierarchical structure of the marine economic network in China's coastal areas has been enhanced, and regional absolute polarization and relative equilibrium coexist. 2) Assortativity has changed to disassortativity, and the connection between core cities and peripheral cities has been strengthened. 3) Transmission is generally at a low level but has the tendency to improve. 4) The enhancement of hierarchical structure, disassortativity, and transmission has improved the cohesion, innovation, and openness of the marine economic network, which increased the structural resilience of the marine economic network in China's coastal areas. This study aimed to enrich the resilience research in economic geography and provide some basis and reference for the safe development of the marine economy, in order to facilitate the high-quality development of marine economy in China.