产业关联是分析国民经济各部门内在经济联系规律的重要分析指标,认清不同产业间的关联程度对地方经济发展及政策的制定具有重要意义。文章运用相关分析研究方法,计算出河北省现代服务业中6个产业间的相关及偏相关系数,对河北省现代服务业间的经济关联程度进行判断分析,选择确定在经济发展中起重要作用的主导型产业。数据结果发现：河北省现代服务业中各产业间经济互动性较强,金融业处于河北省现代服务业的主导地位,批发与零售业经济作用最为薄弱,从而论证了相关分析在产业关联研究的可行性,同时为河北省产业优化发展提供理论支持。

The industrial correlation analysis method is an important indicator which reflects the internal economic links between local economic sectors, and recognizing the trajectory of the industrial correlation will make important sense to the formulation of local industry rstructuring policies. By using correlation analysis, this paper calculated the correlation coefficient and partial correlation coefficient between six modern service industries in Hebei province. Based on those, this paper analyzed the economic relational degree between the modern service industries in Hebei province and chose the leading industry which plays an important role in economic development. Data results show that: the economic interaction of the modern service industries in Hebei province is strong, and the financial industry can be the leading industry, but the wholesale and retail plays a role which is the last. The above conclusions demonstrate the feasibility of correlation analysis in industry relationship studies, at the same time make a great power to optimize the industry development in Hebei province.

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河北省社会科学发展研究课题区域经济联合基金项目“河北旅游产业集群发展与创业活动关联研究”（201305010）；秦皇岛市科学技术研究与发展计划“河北省智慧城市物流服务体系构建与运行模式研究” (201301042)；青年骨干教师出国研修项目（留金发[2012]3050）；秦皇岛市社会科学重点应用性研究课题“京津冀一体化中智慧秦港盈利模式研究”（201407260）