政策供需匹配度测算是评估和调整海洋科技创新政策的重要指标和依据。从政策供需匹配视角出发，剖析海洋科技创新政策供需作用机理，构建供需匹配模型，以山东省为例，对其“十一五”以来出台的89项海洋科技创新政策文件和相关政策需求主体开展问卷调研，测算和分析政策供需匹配度。结果表明：供给方面的供给导向型政策匹配度较低，而需求方面的涉海企业政策匹配度较低；从具体政策来看，产学研协同、信息化建设、人才扶持等政策匹配度较低。根据研究结论，对山东省就重视政策需求反馈、加强企业创新主体地位及拓宽政策解读渠道等方面给出对策建议，并从国家层面提出推进政策协调机制建设以及营造良好法律环境等对策建议，以期实现山东省及我国的海洋科技创新政策供需匹配与高效运用。

The marine science and technology innovation policy is a key engine for promoting marine technology innovation and economic development. Among them, the measurement of policy’s supply and demand matching is an important indicator and basis for the assessment and adjustment of marine science and technology policies. This paper takes policy supply and demand matching as the research perspective, deeply analyzes the supply and demand mechanism of marine science and technology policy, and builds the supply and demand matching model by means of matching theory and similarity principle. Based on 89 policy documents issued since the 11th Five-Year Plan, and questionnaire surveys on the main body of policy needs, empirical analysis of supply and demand matching of marine science and technology policies have been discussed. The results show that, on the whole, in terms of supply, the supply-oriented policy has a low degree of matching; in terms of demand, the matching degree of the sea-related enterprises is low. From the perspective of specific policies, the matching degree of industry-university-research cooperation, information construction and talent support is low. It also gives countermeasures and suggestions from the aspects of paying attention to policy demand feedback, promoting policy coordination mechanism, broadening policy interpretation channels, strengthening the main position of enterprises in innovation and creating a good legal environment, so as to realize the efficient use of marine science and technology innovation policy.

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国家自然科学基金青年基金项目“大数据驱动下的公共服务供需精准匹配机制研究”（71804169）；教育部人文社会科学研究青年基金项目“公共服务供需精准匹配机制研究——基于大数据驱动视角”（18YJC630125）；山东省海洋生态环境与防灾减灾重点实验室开放基金资助项目“渤黄海三维联动的海洋生态灾害承灾因子及其评价体系研究”（201902）；青岛市哲学社会科学规划项目“青岛市海洋科技资源配置效率及提升对策研究”（QDSKL1901010）