Abstract：This paper applies non-dynamic panel threshold regression model of Hansen,based on the panel data of Chinese provincial level from 1998 to 2014,and verifies the non-equilibrium relationship of development between regional innovation ability and ecological environment.The results show that:the positive effect of innovation ability on ecological environment has a significant threshold effect,and the positive stimulating effect is stronger in the eastern than in the central.Using the economic level and industrial structure as the threshold variable respectively,it finds different influence relation curves.In the current background of ecological constraints intensifying in China,we should adhere to the concept of“innovation-driven and ecological priority”,and through enhancing regional innovation capability,we could drive industrial green development,promote inter-industry integration and infiltration,implement mechanism of reversal pressure on ecological environment,and promote construction of ecological civilization,which would be great practical significance to the improvement of China's ecological environment
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