As marine data accumulates and becomes an asset, it has profoundly influenced the clustering of marine industries in coastal cities. Based on a spatial agglomeration model linking coastal cities and marine industries—driven by marine data assets— this study theoretically explores the mechanisms through which marine data assets influence industrial agglomeration. It further con- ducts an empirical analysis using panel data from 54 Chinese coastal cities （2000 - 2024） to examine the differential impacts of marine data assets on this agglomeration. The results reveal that marine data assets exert a significant positive effect on the agglomera- tion of marine industries in coastal cities. Mechanism analysis indicates that these assets boost agglomeration levels by reducing marine information costs, fostering marine technological innovation, and enhancing the accumulation of marine human capital. At the sectoral level, marine data assets promote the agglomeration of primary and secondary marine industries but have no significant impact on the tertiary marine industry. At the regional sea level, the significant impact of marine data assets on marine industry agglomeration is observed only in coastal cities bordering the East China Sea and the Bohai Sea.
LUO Fang-yong
,
ZHANG Tao
,
GUO Tong
. Research on the impact of marine data assets on the marine industry clusters in coastal cities[J]. Urban Problems, 2026
, 371(6)
: 41
-55
.
DOI: 10.13239/j.bjsshkxy.cswt.260604
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