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Title: The ranking of negative-cost emissions reduction measures
Authors: Taylor, Simon
Keywords: Emissions
Issue Date: 2012
Publisher: © Elsevier
Citation: TAYLOR, S., 2012. The ranking of negative-cost emissions reduction measures. Energy Policy, 48 pp. 430 - 438.
Abstract: A flaw has been identified in the calculation of the cost-effectiveness in marginal abatement cost curves (MACCs). The problem affects “negative-cost” emissions reduction measures—those that produce a return on investment. The resulting ranking sometimes favours measures that produce low emissions savings and is therefore unreliable. The issue is important because incorrect ranking means a potential failure to achieve the best-value outcome. A simple mathematical analysis shows that not only is the standard cost-effectiveness calculation inadequate for ranking negative-cost measures, but there is no possible replacement that satisfies reasonable requirements. Furthermore, the concept of negative cost-effectiveness is found to be unsound and its use should be avoided. Among other things, this means that MACCs are unsuitable for ranking negative-cost measures. As a result, MACCs produced by a range of organizations including UK government departments may need to be revised. An alternative partial ranking method has been devised by making use of Pareto optimization. The outcome can be presented as a stacked bar chart that indicates both the preferred ordering and the total emissions saving available for each measure without specifying a cost-effectiveness.
Description: This article was published in the journal, Energy Policy [© Elsevier]. The definitive version is available at: http://dx.doi.org/10.1016/j.enpol.2012.05.071
Version: Accepted for publication
DOI: 10.1016/j.enpol.2012.05.071
URI: https://dspace.lboro.ac.uk/2134/13076
Publisher Link: http://dx.doi.org/10.1016/j.enpol.2012.05.071
ISSN: 0301-4215
Appears in Collections:Published Articles (Architecture, Building and Civil Engineering)

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