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Knowledge spillovers and R&D subsidies to new, emerging technologies

机译:知识溢出和对新兴技术的研发补贴

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摘要

Is knowledge spillover a rationale for supporting R&D on new, emerging technologies more than R&D on other technologies? In this paper, I analyze whether innovation externalities caused only by knowledge spillovers differ between technologies of different maturity. I show that R&D should not be subsidized equally across industries when the knowledge stocks differ. This is because knowledge spillovers depend on the size of the knowledge stock and the elasticity of scale in R&D production. R&D in the emerging technology should be subsidized more when the elasticity is smaller than one. However, R&D in the mature technology should be subsidized more when the elasticity is larger than one.
机译:知识溢出是否比在其他技术上的研发更能支持在新兴技术上的研发?在本文中,我分析了仅由知识溢出造成的创新外部性在不同成熟度的技术之间是否有所不同。我表明,当知识存量不同时,不应在各个行业之间对研发进行平等的补贴。这是因为知识溢出取决于知识存量的大小和研发生产中规模的弹性。当弹性小于1时,应更多地补贴新兴技术中的R&D。但是,当弹性大于1时,应更多地补贴成熟技术中的R&D。

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