摘要
基于网络DEA模型的研究方法,选取2005—2016年中国26个省份的面板数据,将有色金属产业链分为矿采选和冶炼及压延加工两个阶段,分别对产业链整体以及各个阶段的生产效率进行测算。研究结果表明:有色金属产业链平均产出效率值偏高,主要是受第二阶段影响较大;中国有色金属工业的生产无效率主要是由于纯技术无效率所致;有色金属工业规模过大和技术无效率问题总体并未得到改善。在有色金属产业链效率影响因素研究方面,采用Tobit面板模型进一步验证发现,产业经济发展水平、企业规模以及科技支持力度对各地区有色金属产业链生产效率均有正向影响。
Based on the research method of Network DEA model, this paper selects the panel data of 26 cities from 2005 to 2016 in China, and divides the non-ferrous metal industry chain into two phases： mining and smelting and rolling, calculate the transformation efficiency of the whole industry chain and each stage separately, the results show that： Non-ferrous metal industry chain average output efficiency value is high, mainly due to the greater impact of the second phase; China＇s non-ferrous metal industry production inefficiency is mainly due to the impact of purely technical inefficiency; the problem of excessive scale and technical ineffectiveness of the non-ferrous metal industry have not generally improved. In the research of factors affecting the efficiency of the non-ferrous metal industry chain, this paper uses the Tobit panel model to fiarther verify that the level of industrial economic development, the size of the company, and the support of science and technology have positive effects on the production efficiency of the non-ferrous metal industry chain in all regions.
作者
杨丽
王欣
Yang Li;Wang Xin(Kunming University of Science and Technology,Kunming,Yunnan 65009)
出处
《改革与战略》
2018年第11期102-109,共8页
Reformation & Strategy
基金
云南省院省校合作人文社科项目"云南传统工业产业转型升级的提升路径与支持政策研究--以黑色金属和有色金属产业为例"(SYSX201709)
国家自然科学基金"云南少数民族贫困地区生态文明建设的关键因素和有效路径研究"(71463034)
关键词
有色金属产业链
生产效率
规模效应
资源配置
non-ferrous metal industry chain
production efficiency
scale effect
resource allocation
