| Summary: | The innovation capability of marine science and technology plays an important role in the green and healthy development of marine economy. This paper adopted the panel data of 11 coastal provinces (autonomous regions, municipalities) from 2007 to 2016. Firstly, a comprehensive evaluation system for marine technology innovation capabilities was established, and the Weight-TOPSIS method was used to evaluate the marine technology of 11 coastal provinces (autonomous regions, municipalities) in China. Then the DEA-Malmquist method was used to calculate the green total factor rate of the marine economy in 11 coastal provinces (autonomous regions, municipalities) . Finally, the influence of marine science and technology innovation ability on green total factor productivity of marine economy was studied by establishing GMM model. The results showed that scientific and technological innovation had a significant role in promoting the green total factor productivity of the marine economy, which was conducive to the sustainable development of the marine economy.
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