Abstract
The national central city is the "spire city" in China's urban system planning, which plays an important role in leading regional scientific and technological innovation. In this paper, DEA-Windows model is used to analyze the efficiency of science and technology innovation in 9 National Central Cities in China from 2013 to 2017. The results show that the overall level of science and technology innovation efficiency in national central cities is increasing year by year, but the average value is only 0.7369, and there is still a large space for improvement; in terms of spatial differences, 4 cities, Beijing, Chengdu, Chongqing and Wuhan, had effective status in the calculation period, while the other cities had no effective status, and the efficiency of scientific and technological innovation was also significantly different in 9 cities.
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