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海外科研人才网络关系强度变化对其创造力的影响
引用本文:刘斌,王孟飞,孙笑明,王春艳.海外科研人才网络关系强度变化对其创造力的影响[J].科技进步与对策,2018,35(22):123-130.
作者姓名:刘斌  王孟飞  孙笑明  王春艳
作者单位:1.北京化工大学 经济管理学院,北京 100029;2.西安建筑科技大学 管理学院,陕西 西安 710055
基金项目:国家自然科学基金项目(71402132;71532003);中央高校基本科研业务费基金项目(PTRW1823)
摘    要:基于1990-2015年我国引进的海外高端科研人才论文合著数据,研究海外高端科研人才网络特征动态变化对其创造力的影响机理。假设提出在动态网络关系下,以往强关系数量所占比例与当前强关系数量所占比例呈正相关关系,并且以往强关系数量所占比例会抑制新关系的产生,也会对创造力产生抑制作用;结构洞对以往强关系所占比例和创造力具有负向调节作用。利用负二项回归模型分析以往强关系数量所占比例、当前强关系数量所占比例、新关系所占比例及其交互作用对创造力的作用机理。以3年为数据窗口样本,回归分析结果显著支持所有假设。研究结论有利于深化对高端海外科研人才创造力的认识,为相关机构制定人才引进与使用政策提供建议。

关 键 词:海外高端科研人才  网络关系强度  动态演化  创造力  

The Impact of the Change of Network Ties Strength of Overseas Research Talents on Its Creativity
Abstract:The paper studies the change of dynamic network characteristics of overseas high level scientific research talents and its influence on scientific research performance based on the co published paper data of overseas high level scientific research talents introduced to China from 1990 to 2015.The hypothesis in this paper is that under the dynamic network relation, the proportion of the past strong relation quantity is positively related to the proportion of the current strong relation quantity. And the proportion of the past strong relation quantity will inhibit the emergence of new relation, and also has inhibitory effect to the innovation of scientific research, while the structural hole has a moderating effect on the proportion of the past strong relation and the innovation of scientific research. We use the negative binomial regression model to analyze the proportion of the past strong relation quantity, the proportion of the current strong relation quantity, the proportion of the new relationship and the mechanism of its interaction on the innovation of scientific research in the paper. In the sample of 3 year data window, the regression analysis supports all the assumptions significantly. These conclusions deepen the understanding of high level overseas scientific research talents, contributing to improving the innovation of scientific research in China. Furthermore, it provides theoretical and empirical support for countries and relevant institutions to develop talent introduction policies and maximizes the effectiveness of overseas talent resources.
Keywords:Overseas High Level Scientific Research Talents  Network Ties Strength  Dynamic Evolution  Innovative  
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