长江经济带高技术产业投入产出效率分析

doi:10.11870/cjlyzyyhj201703001

摘要/Abstract

摘要： 提高长江经济带高技术产业的投入产出效率，有利于协调该区域经济发展与生态环境保护之间的关系。运用三阶段DEA方法，从企业类型、环境因素等视角对长江经济带高技术产业投入产出效率进行实证分析。结果发现，政府R&D支出的增长对企业技术效率的提高均有正向作用，但作用效应尚未达到显著状态；研发机构数量的增加能够显著提高内资及港澳台企业的技术效率，而外资企业与中国技术市场的互动效应尚不显著；行业内企业数量增加所引致的市场竞争有利于外资企业提高技术效率，却显著降低了内资及港澳台企业的技术效率；不同类型企业之间和地区之间的技术效率存在较大差距，外资企业的技术效率和纯技术效率最高，内资企业的规模效率最高。文章最后提出政策建议。

关键词: 长江经济带, 高技术产业, 投入产出效率, 三阶段DEA方法

Abstract: In order to coordinate the relationship between regional economic development and ecological environment protection, it is necessary to improve the input-output efficiency of high-tech industry in the Yangtze River Economic Belt. In this paper, we used a three-stage DEA model to carry out empirical analyses on high-tech industry's input-output efficiency from the perspective of enterprises' types and environmental factors, etc. The results showed that:1) increase of government R&D expenditure shows a positive effect on improvement of firms' technical efficiency, although the influence effect is not significant yet. 2) Increased number of R&D institutions significantly accelerated the technical efficiency of enterprises both domestic and in Hong Kong, Macao or Taiwan, while the interactive effects between foreign-owned firms and technology market in China are non-significant. 3) Market competition induced by increase of firms' number will contribute to promotion of technical efficiency in foreign-owned firms, but significantly impeded technical efficiency improvement in firms both domestic and in Hong Kong, Macao or Taiwan. 4) There exists a great gap of technical efficiency among different types of firms or various regions, with foreign-owned firms' (pure) technical efficiency as the highest. While the scale efficiency of domestic firms is beyond all the other types of firms. In the end, we propose public application according to our analysis.

Key words: Yangtze River Economic Belt, high-tech industry, input-output efficiency, three-stage DEA model

中图分类号:

F270.3

成定平, 淦苏美. 长江经济带高技术产业投入产出效率分析[J]. 长江流域资源与环境, 2017, 26(03): 325-332.

CHENG Ding-ping, GAN Su-mei. RESEARCH ON HIGH-TECH INDUSTRY INPUT-OUTPUT EFFICIENCY IN YANGTZE RIVER ECONOMIC BELT[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(03): 325-332.

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