王群伟
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所属单位:经济与管理学院
发表刊物:NAVAL RESEARCH LOGISTICS
关键字:DEA nonradial DDF range adjusted measure slack-based measure technology gap
摘要:The metafrontier framework proposed by O'Donnell et al. enables the evaluation of relative efficiencies for decision-making units (DMUs) operating under heterogeneous technologies. The metatechnology ratio (MTR) constructed under the metafrontier framework helps estimate the gap between group frontiers and the metafrontier, with its score between 0 and 1. However, an unreasonable MTR value (ie, greater than 1) may appear when the traditional metafrontier framework is applied in the nonradial data envelopment analysis (DEA) models. This article proposes an alternative metafrontier framework for addressing this issue. The newly constructed technology gap measurement (TGM) can avoid unreasonable technology gap ratio values in nonradial DEA models and substitute for MTR in radial DEA models. To demonstrate how this alternative metafrontier approach works, this article applies it to the efficiency evaluation of regional transportation sectors in China.
ISSN号:0894-069X
是否译文:否
发表时间:2018-08-01
合写作者:倪长也,Hu, Jin-Li,Chiu, Ching-Ren
通讯作者:Chiu, Ching-Ren,王群伟