节能环保上市公司技术效率及其影响因素——基于超效率DEA-Tobit模型原理

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1006-5024|volume|5|114-118

ISSN: 1006-5024

Source: 企业经济, Vol.volume, Iss.5, 2015-01, pp. : 114-118

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Abstract