摘要
多年来,国家一直把乳制品业作为重点鼓励发展的产业,但直到20世纪90年代中国乳制品业才真正发展起来,特别是最近几年发展势头迅猛。而SBM(slacks-based measure)超效率模型是传统DEA模型的改进,该模型既考虑了投入要素的“拥挤”或“松驰”,又解决了有效单元的排序问题。采用SBM超效率模型测算2001-2005年中国21个乳制品企业的技术效率,并将其进一步分解为纯技术效率及规模效率。其结果表明:乳制品企业的技术效率处于较低的水平上,对技术效率贡献最大是纯技术效率,乳制品企业并未存在规模经济效应。
Dairy industry is a significant development industry in many years in China. Yet, the industry has not made progress till 1990s and only expanded rapidly in recent years. SBM model is a amelioration of traditional DEA. This model takes into account input congestion and slacks, as well as the order of efficiency unit. This paper figures out technical efficiency of dairy enterprise using the data set from 2001 to 2005 by SBM - super efficiency model. The results show that the level of technique efficiency is low. Besides, pure technique efficiency of dairy industry contributes a large - share to the technical efficiency. But scale efficiency is on the low level.
出处
《统计与信息论坛》
2007年第3期103-108,共6页
Journal of Statistics and Information
关键词
乳制品企业
技术效率
SBM超效率
dairy enterprise
technique efficiency
SBM - super efficiency
