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| Research on the Impact of International Knowledge Spillovers on the Innovation Performance of High-Tech Industries under the Effection of R&D Human Capital |
| LI Shengnan，XU Min，LIN Zhouzhou |
| 1. Nanjing Tech University, Nanjing, China; 2. Soochow University, Suzhou, Jiangsu, China |
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Abstract This study divides international knowledge spillover into dual channels of foreign direct investment(FDI) and import trade. Then it constructs threshold panel regression models by using the panel data of 27 provincial high-tech industries in China during 2007~2018, taking R&D human capital as the threshold variable, and empirically analyzes the nonlinear effect of dual-channel international knowledge spillover on the innovation performance of high-tech industry. The results show that: The impact of the dual-channel international knowledge spillover of foreign direct investment and import trade on the innovation performance of high-tech industry has significant nonlinear characteristics with R&D human capital as the dual threshold. With the improvement of the threshold of R&D human capital, the promotion effects of foreign direct investment and import trade knowledge spillover on the innovation performance of high-tech industry both first descend and then rise. The scale of high-tech enterprises and the level of transportation infrastructure have significantly positive impacts on the innovation performance of high-tech industry.
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Received: 29 August 2020
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