这些沿海大市，要开始“抱团”发展了？

Core Insights - The total scale of China's marine economy is projected to reach 10.54 trillion yuan in 2024, with a marine GDP of 5.1 trillion yuan in the first half of the year, reflecting a year-on-year growth of 5.8%, surpassing the national GDP growth rate by 0.5 percentage points [1] - The Central Financial Committee emphasizes the need for high-quality development of the marine economy, advocating for enhanced top-level design and policy support [1] - The development of bay economies is being explored across various coastal provinces, with over 150 bays larger than 10 square kilometers along China's 32,000-kilometer coastline [1] Marine City Clusters - Marine city clusters are defined as urban agglomerations centered around port groups, with marine economies at their core, facilitating collaboration among multiple cities [2] - Approximately 60% of global economic output is concentrated in port bays and adjacent areas, with 75% of major cities and 70% of industrial capital located within 100 kilometers of coastal areas [2] Bay Area Development - The Greater Bay Area's marine city cluster aims to create a unique multi-center collaborative development model, leveraging the strengths of Hong Kong, Shenzhen, and Guangzhou [7] - The three cities form a "golden triangle," enhancing resource allocation efficiency and global competitiveness through improved connectivity and collaboration [7][19] Economic Goals - The Greater Bay Area aims for a container throughput of 100 million TEUs by 2030, surpassing the combined throughput of New York and Los Angeles ports [9] - Research and development investment is targeted to exceed 5% by 2025, outpacing Norway's 3.9% [9] - The goal for green shipping is to have 15% of ammonia-fueled vessels by 2035, exceeding the EU's target of 10% [9] Collaborative Development - The concept of "collaborative development" is not unique to the Greater Bay Area, with cities like Qingdao and Ningbo-Zhoushan also pursuing marine city cluster initiatives [11][10] - The integration of surrounding marine cities can enhance economic scale and create economies of scale and scope [11] Current Leaders in Marine Economy - Shanghai remains the leader in marine economy, with a marine GDP projected to reach 1.1387 trillion yuan in 2024, followed by Tianjin, Qingdao, and Shenzhen [15] - The collaborative model among Shenzhen, Hong Kong, and Guangzhou is seen as a necessity due to their individual limitations compared to cities like Shanghai and Singapore [15] Infrastructure and Innovation - The development of transportation infrastructure, such as the Shenzhen-Zhongshan Bridge, is crucial for enhancing connectivity and collaboration among cities [23] - The establishment of marine universities and research institutions is essential for fostering innovation in marine-related fields [23][24] Institutional Innovation - Shenzhen is encouraged to create legal frameworks related to marine development while deepening integration with Hong Kong [24] - The Greater Bay Area is positioned as a testing ground for innovative marine governance models under the "one country, two systems" framework [24]