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| Research on the Nonlinear Impact of Knowledge Sourcing on Regional Patent Output under the Dual Consideration of Main Effect and Interaction Effect |
| LIN Zhouzhou，LI Dan，LI Shengnan |
| 1. Soochow University, Suzhou, Jiangsu, China; 2. Harbin Engineering University, Harbin, China; 3. Nanjing Tech University, Nanjing, China |
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Abstract Dividing knowledge sourcing into internal knowledge sourcing, external knowledge spillover and external knowledge transfer, this study constructs panel threshold regression models using the panel data of 30 regions in China during 2009~2018, and empirically analyzes the nonlinear impact of knowledge sourcing on regional patent output based on main and interaction effect. The results show that: The impact of internal knowledge sourcing on regional patent output has a complex nonlinear feature. Specifically, the promotion effect first rises and then descends. The two types of external knowledge sourcing both have significant positive nonlinear effects on regional patent output. The positive effect of external knowledge transfer is stronger overall. The two types of the interaction between internal and external knowledge sourcing both have significant double threshold characteristics. The synergistic effect first decreases and then rises, but the mutual exclusion effect first decreases and then rises. Moreover, the synergistic effect is stronger.
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Received: 16 April 2021
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