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基于两阶段DEA的高新技术企业技术创新效率研究 徐子颖

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enterprises between 19sub-provincial and above cities,and the overall efficiency is low.Moreover,most cities pay more at-Р tention to technological R & D rather than the transformation of technological achievements.The R & D stage mainly depends on economies ofР scale,the contribution rate of pure technical efficiency in the transformation stage is relatively high,and the innovation efficiency of most enter-Р prises needs to be improved.The results could provide a new perspective for the technological innovation activities of high-tech enterprises inР different regions.Р Keywords:high-tech enterprise;technological innovation efficiency;two-stage DEA modelРРР 791

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