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Abstract The DEAMalmquist index method is used to estimate and decompose the total factor productivity of hightech industry in China from 1998 to 2015, and the innovation efficiency of patent innovation in Chinese hightech industry is studied empirically. The results show that: ①in general, the average factor productivity of hightech industry is increasing, and the change of total factor productivity is mainly the effect of comprehensive technical efficiency (TEC); ②from the situation of the province, Malmquist production index space has some differences, but the time is not changed; ③from the eastern, central and western regional perspective, the eastern and western Malmquist production index greater than 1, while the central region is less than1; ④based on patented hightech industry innovation efficiency values for different zoning showed that "highhigh", "highlow", "lowhigh" and "lowlow" four types of the geographical distribution of the provinces in the geographical space is not regular, but the TEC shows "west high east low" phenomenon.
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