| Summary: | Marine resources are an important support to achieve the sustainable development of China, and reducing the consumption intensity of marine resource and improving the efficiency of marine resources utilization are inevitable requirements for developing marine economy and breaking the contradiction between protection and development. Based on the panel data of 11 coastal provinces and cities in China from 2006 to 2019, this paper constructed a panel model to examine the effects of different types of marine environmental regulation tools on the consumption intensity of marine resource, and also analyzed their non-linear effects as well as the intrinsic influence mechanism with the help of threshold regression and mediation effect test. It was found that:①Command-based environmental regulation tools could increase the consumption intensity of marine resource, while market-based environmental regulation tools had a marginal increasing law for reducing the consumption intensity of marine resource;②Innovation in marine science and technology had played a facilitating role in reducing the consumption intensity of marine resource;③There was a single threshold effect based on market-based environmental regulation tools for the role of command-based environmental regulation tools;④ The industry structure had a partial mediating effect on market-based environmental regulation and marine resource consumption intensity, while it played a full mediating role in the regression relationship between command-based environmental regulation and marine resource consumption intensity. In the future, relevant departments should further enhance market-based environmental regulation and marine science and technology innovation to help reduce marine resource consumption intensity.
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