本文在创新生态系统理论和种群关系理论的基础上，以2009-2016年新能源汽车产业50家沪深上市公司为研究样本，实证检验了研发补贴对新能源汽车产业整体和不同生态位企业种群技术创新产出的影响。实证结论：政府研发补贴与产业整体的技术创新产出显著正相关；研发补贴与高、中、低生态位企业种群的正相关系数分别为1.447、0.512和0.247。并由此提出加强对新能源汽车产业整体的研发补贴，着力加强对中低生态位企业种群的研发补贴，培养企业的知识产权意识、加快新能源汽车知识产权建设等政策建议。

Based on the theories of innovation ecosystem and population relationship, the paper takes 50 new energy vehicle enterprises listed in Shanghai and Shenzhen as a research sample from 2009 to 2016, empirical studies the impacts of R&D subsidies on the technological innovation output of the whole new energy vehicle industry and different niche enterprise populations. Empirical conclusions: Government R&D subsidy is significantly positively related to the technological innovation output of the industry as a whole; The positive correlations between R&D subsidy and high, medium and low niche enterprise populations are 1.447, 0.512 and 0.247 respectively. And thus proposed policy recommendations, such as strengthen R&D subsidies for the whole new energy vehicle industry, focus on the middle and the low niche enterprise population’s subsidies, cultivate the enterprises’ intellectual property awareness and accelerate the construction of new energy vehicles’ intellectual property, etc.

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