环境约束下的我国钢铁企业技术效率研究

被引:5
作者
张庆芝 [1 ,2 ]
何枫 [2 ]
雷家骕 [1 ]
机构
[1] 清华大学经济管理学院
[2] 北京科技大学东凌经济管理学院
基金
中央高校基本科研业务费专项资金资助;
关键词
能耗; 钢铁产业; 技术效率;
D O I
暂无
中图分类号
F224 [经济数学方法]; F426.31 []; F273.1 [企业技术管理];
学科分类号
0701 ; 070104 ;
摘要
现有研究在评价钢铁企业技术效率时,没有考虑决策单元非期望产出对环境的影响。运用Undesirable-SBM模型,将钢铁企业能耗、水耗及非期望产出纳入效率评价模型,对2006—2010年我国重点大中型钢铁企业技术效率进行综合评价,结果表明:第一,能源、水资源和环境约束下我国钢铁企业技术效率总体不高,低效率广泛存在于钢铁企业中,并且近年来钢铁企业之间效率差距有扩大趋势;第二,我国钢铁企业节能减排潜力巨大,平均而言,能源可降低28.93%,水资源可降低29.54%,废气排放可降低26.42%,废水可降低49.78%,废渣可降低34.21%;第三,我国钢铁企业技术效率存在地区差异,总体表现为自东向西降低,但2007年后,西部钢铁企业技术效率上升显著,而东部和中部技术效率却呈现下降趋势。
引用
收藏
页码:103 / 111
页数:9
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