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| Research of the Effect of External Knowledge Search on Internal Knowledge Transfer |
| WANG Wei，SUN Xiaoming，CUI Wentian，CHEN Yigang |
| 1. Xi’an Jiaotong University, Xi’an, China; 2. Xi’an University of Architecture and Technology, Xi’an, China |
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Abstract Drawing upon MOA（motivation, opportunity and ability） theory, absorptive capacity theory, tie strength theory and structural hole theory, this study explores the relationship between external knowledge search and internal knowledge transfer by inventors, and further examines the moderating effects of tie strength and structural holes in their ego networks on the above relationship. Based on American patent data of the 33 largest pharmaceutical firms worldwide from 1975 to 2014, social network analysis and negative binomial regression with fixed effects indicate that external knowledge search is negatively related to internal knowledge transfer, and both tie strength and structural holes moderate such relationship negatively.
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Received: 16 April 2019
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