科技创新在城市发展中的地位和作用越来越突出。本文首先理清城市创新活力与城市创新能力之间的关系,并论证企业死亡新生比测度城市创新活力的合理性。在此基础上,利用上海与深圳2010年至2015年6年间的企业死亡新生比和创新产出数据,对两市城市创新活力进行分析,并按不同企业所有制类型与创新产出做相关性分析,考察两市城市创新活力对于创新产出贡献的差异。研究发现：深圳的城市创新活力明显高于上海,而上海的城市创新活力相对而言更加稳定,就城市创新活力对创新产出的贡献而言,上海则略优于深圳。

The status and role of technological innovation in urban development has become increasingly prominent. This article first clarifies the relationship between urban innovation vitality and urban innovation capacity, and argues that the ratio of death to life of a company measures the rationality of urban innovation. Based on this, using the mortality ratios of enterprises and innovations between Shanghai and Shenzhen from 2010 to 2015, the city"s urban innovation dynamism was analyzed, and correlations between different types of enterprise ownership and innovation output were analyzed. Investigate differences in the contribution of innovation dynamics of cities in the two cities to innovation output. The study found that: Shenzhen’s urban innovation activity is significantly higher than that of Shanghai, and Shanghai’s urban innovation activity is relatively more stable. In terms of the contribution of urban innovation vitality to innovation output, Shanghai is slightly better than Shenzhen.

国家自然科学基金面上项目“全球创新资源转移的空间过程、格局与机制研究”(41571123)。