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Title: A non-radial DEA approach to measuring environmental performance
Authors: Zhou, P. 
Poh, K.L. 
Ang, B.W. 
Keywords: Data envelopment analysis (DEA)
Environmental performance
Malmquist productivity index
Non-radial efficiency measure
Undesirable outputs
Issue Date: 1-Apr-2007
Citation: Zhou, P., Poh, K.L., Ang, B.W. (2007-04-01). A non-radial DEA approach to measuring environmental performance. European Journal of Operational Research 178 (1) : 1-9. ScholarBank@NUS Repository.
Abstract: Data envelopment analysis (DEA) has gained great popularity in environmental performance measurement because it can provide a synthetic standardized environmental performance index when pollutants are suitably incorporated into the traditional DEA framework. Past studies about the application of DEA to environmental performance measurement often follow the concept of radial efficiency measures. In this paper, we present a non-radial DEA approach to measuring environmental performance, which consists of a non-radial DEA-based model for multilateral environmental performance comparisons and a non-radial Malmquist environmental performance index for modeling the change of environmental performance over time. A case study of OECD countries using the proposed non-radial DEA approach is also presented. It is found that the environmental performance of OECD countries as a whole has been improved from 1995 to 1997. © 2006 Elsevier B.V. All rights reserved.
Source Title: European Journal of Operational Research
ISSN: 03772217
DOI: 10.1016/j.ejor.2006.04.038
Appears in Collections:Staff Publications

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