Handling zero values in the logarithmic mean Divisia index decomposition approach

被引:336
作者
Ang, B. W. [1 ]
Liu, Na [1 ]
机构
[1] Natl Univ Singapore, Dept Ind & Syst Engn, Singapore 119260, Singapore
关键词
decomposition analysis; LMDI; zero values;
D O I
10.1016/j.enpol.2005.11.001
中图分类号
F [经济];
学科分类号
02 ;
摘要
The Logarithmic Mean Divisia Index (LMDI) decomposition approach has many desirable properties. It has been recommended by Ang [2004a. Decomposition analysis for policymaking in energy: which is the preferred methods? Energy Policy 32, 1131-1139] for adoption in energy and energy-related environmental index decomposition analysis (IDA). A complication associated with this approach is the treatment of zero values in the data set. Several studies show that replacing the zero values with a small number gives converging results. In a recent paper, Wood and Lenzen [Zero-value problems of the logarithmic mean Divisia index decomposition method. Energy Policy, in press] argue that this strategy is not necessarily robust and recommend using the analytical limits proposed in Ang et al. [1998. Factorizing changes in energy and environmental indicators through decomposition. Energy 23, 489-495]. We compare these two strategies and extend earlier works by generalizing the analytical limits of LMDI. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:238 / 246
页数:9
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