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从理论层面梳理了海归技术溢出、产业集聚与东道国技术进步之间的关系;通过构建产业集聚的HHI指数,运用面板数据模型分别考察了海归技术溢出对中国产业集聚影响及海归技术溢出与产业集聚的互动对中国产业层面全要素生产率的影响。实证结果表明,海归技术溢出对中国产业地理集聚具有积极影响,海归技术溢出与产业集聚的互动促进了各行业的全要素生产率提升,且该效应在不同集聚度行业和不同技术层次行业差异显著,其在高技术行业和高集聚度行业中的效应最为显著。
Through the construction of the HHI index of industrial agglomeration and the panel data model, the author studies the effects of sea-surrender technology spillover on China’s industrial agglomeration and the overseas technology spillover and industrial agglomeration The Impact of Interaction on Total Factor Productivity at Industry Level in China. The empirical results show that the returnees’ technology spillover has a positive impact on China’s industrial agglomeration. The interaction between returnep technology spillover and industrial agglomeration has promoted the growth of total factor productivity in various industries, and the effect is significant in industries with different agglomeration levels and in different technology levels. It has the most significant effect in high-tech industries and highly-concentrated industries.