Language barriers have a negative effect on knowledge spillover process. Scientific journals are main carrierof scientific know-ledge, and the mutual citations between scientific journals depict the paths and directions of knowledge spillovers. This paper selects six Chinese scientific journals ( three Chinese-language journals and three English-language ones) from three disciplines in Web of Science as samples, constructs journal citation networks respectively with JCR database, and compares network topology parameters and evolution process of these journals from 2005 to 2009. We establish a measurement model of knowledge spillovers by defining network topology parameters as substitutional variables to measure the impact of language barriers on knowledge spillovers. Finally, this paper proposes a suggestion on how to overcome negative effect of language barriers on Chinese scientific journals.%语言壁垒对知识溢出过程具有负相关影响.科技期刊是科技知识的主要载体,科技期刊间的相互引用刻画了知识溢出的路径和方向.本文首先选取被Web of Science收录的三个学科的六本中国科技期刊(3本中文期刊和3本英文期刊)为样本,利用JCR数据库构建了期刊互引网络,对比了中文刊和英文期刊2005~2009年网络拓扑参数的演化过程.其次,建立了描述知识溢出的测度模型,通过将网络拓扑参数定义为替代变量的方法刻画了语言壁垒对知识溢出的影响,并进行了定量测度.最后,本文就如何克服语言壁垒对我国科技期刊知识溢出的影响提出了建议.
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