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Based on the two-stage innovation value chain model, incorporating environmental regulation policies and three-waste emissions into the research framework, constructing a green technology innovation efficiency evaluation index system from the perspectives of green inputs and outputs, and utilizing the super-efficiency SBM model and the Malmquist-Luenberger index model, assessing the effectiveness of green technological innovation in two aspects, namely, static, and dynamic, respectively. The results show that: the average value of green technical innovation efficiency of China's hightech industries is 0.5277, with significant differences between provinces, but the overall is constantly improving, showing an upward trend; the green technological innovation efficiency decreases from east to west, and the differences among the three major regions are not only embodied in spatial patterns, but also in the growth rate; during the period of investigation, the inefficient provinces are gradually decreasing, and the level of green technological innovation of China is constantly getting better; China's The average value of ML index of green technical innovation efficiency of high-tech industries in China is greater than 1, and the overall development trend is better; the increase of ML index in the eastern and central regions mainly relies on the positive influence of technological efficiency, while the decrease of ML index in the western part is affected by the recession of technological progress and technological efficiency, and the efficiency of technology research and development stage is generally higher than that of scientific and technical achievements transformation stage, and low efficiency of achievements transformation stage is mainly affected by the inhibiting effect of technological progress - inhibitory effect of technological advancement. [ABSTRACT FROM AUTHOR]

In order to explore the impact of technological innovation on economic performance all regions in China is studied from different environmental regulation. The panel data of 30 provinces from 2007 to 2017 are collected, and variables reflecting environmental regulation and technological innovation are designed. Multivariate linear regression analysis is used to verify how technological innovation affects economic performance before and after environmental regulation is added. The results show that technological innovation has a significant positive impact on economic performance, and technological innovation has still a positive impact on economic performance after addingenvironmental regulation.The eastern region is superior to the central and western regions in terms of environmental regulation policy, technological innovation and economic performance, and in dealing with the relationship among those three. Therefore, on the basis of implementing appropriate environmental regulations, the government encourages technological innovation and increases D expenditure appropriately, which is conducive to improving sales revenue of new products and increasing economic performance. [ABSTRACT FROM AUTHOR]