| 我国沿海地区海洋生态效率测度及改善潜力分析 ——基于技术异质性视角下的实证研究 |
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| 引用本文： | 陈嫔杰,徐忠.我国沿海地区海洋生态效率测度及改善潜力分析 ——基于技术异质性视角下的实证研究[J].海洋开发与管理,2019,36(11):92-99. |
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| 作者姓名： | 陈嫔杰 徐忠 |
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| 作者单位： | 上海海洋大学经济管理学院 上海 201306;上海海洋大学经济管理学院 上海 201306 |
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| 摘 要： | 为建设海洋强国,实现海洋经济可持续发展,我国沿海各地区必须加快海洋生态文明的建设,努力提高海洋生态效率。文章从技术异质性视角出发,按地理位置分布将沿海11个地区划分为三大区域,基于共同前沿下的非期望产出SBM-DEA模型,对各沿海地区2006—2015年的海洋生态效率进行了测算,并分析了各组区域下海洋生态效率的差异性、变动趋势以及改善潜力。结果表明:共同前沿下海洋生态效率从高到低排列依次为长江三角洲、泛珠江三角洲和环渤海经济区,多年均值分别为0.899、0.841和0.703,如果采用潜在最优生产技术,各区域平均还有10.1%、15.9%和29.7%的效率提升空间。总的来说,我国沿海各地区的海洋生态效率除辽宁较低之外,整体都较高。管理无效和技术无效是导致地区海洋生态效率损失的两大来源,环渤海经济区的技术无效和管理无效皆有,管理无效相对更严重些;长江三角洲经济区正逐渐由技术无效向管理无效转变;而泛珠江三角洲地区技术无效呈上升趋势,管理无效却有所改善。
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| 关 键 词： | 共同前沿 海洋生态效率 技术无效 管理无效 海洋强国 |
Analysis of Marine Eco efficiency Measurement and Improvement Potential in Coastal Areas of China: an empirical study based on the perspective of technological heterogeneity |
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| CHEN Pinjie and XU Zhong.Analysis of Marine Eco efficiency Measurement and Improvement Potential in Coastal Areas of China: an empirical study based on the perspective of technological heterogeneity[J].Ocean Development and Management,2019,36(11):92-99. |
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| Authors: | CHEN Pinjie and XU Zhong |
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| Institution: | School of Economics and Management,Shanghai Ocean University and School of Economics and Management,Shanghai Ocean University |
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| Abstract: | In order to build a maritime power and achieve sustainable development of the marine economy,all coastal areas of China must accelerate the construction of marine ecological civilization and strive to improve marine ecological efficiency.From the perspective of technical heterogeneity,the 11 coastal areas were divided into three major regions according to geographical distribution in this paper.Based on the undesired output SBM DEA model under the meta frontier,the marine eco efficiency of each coastal area from 2006 to 2015 were calculated,and the differences,trends and improvement potentials of marine eco efficiency in each group were analyzed.The results showed that the marine eco efficiency under the mete frontier ranks from the highest to the bottom in the Yangtze River Delta,Pan Pearl River Delta and Bohai Rim Economic Zone.The average annual value was 0.899,0.841 and 0.703 respectively.If the potential optimal production technology was adopted,there would be an average efficiency improvement space of 10.1%,15.9% and 29.7% in each area.In general,the marine eco efficiency of coastal areas in China was high except for Liaoning province.Ineffective management and technical inefficiency were the two major sources of loss of marine eco efficiency.The technical efficiency and management efficiency were both ineffective in the Bohai Economic Zone,and the management efficiency was relatively more ineffective.The Yangtze River Delta Economic Zone was gradually shifting from technical inefficiency to management inefficiency.However,the technical inefficiency in the Pan Pearl River Delta region was on the rise,the management inefficiency has been improved. |
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