A methodology for assessing eco-efficiency in logistics networks
Recent literature on sustainable logistics networks points to two important questions: (i) How to spot the preferred solution(s) balancing environmental and business concerns? (ii) How to improve the understanding of the trade-offs between these two dimensions? We posit that a visual exploration of the efficient frontier and trade-offs between profitability and environmental impacts are particularly suitable to answer these two questions. The visual representation of the efficient frontier, however, presents two challenges. The first is to obtain a good approximation for such frontier without enumerating all extreme efficient solutions. The second is to obtain a good visual representation of the efficient frontier. We propose a two-phased heuristic to handle these two problems. The algorithm is designed for the multi-objective linear problem with three objectives: minimize costs, cumulative energy demand and waste in a reverse logistics network. We illustrate our approach by designing a complex recycling logistics network in Germany.
Year of publication: |
2009
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Authors: | Quariguasi Frota Neto, J. ; Walther, G. ; Bloemhof, J. ; van Nunen, J.A.E.E. ; Spengler, T. |
Published in: |
European Journal of Operational Research. - Elsevier, ISSN 0377-2217. - Vol. 193.2009, 3, p. 670-682
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Publisher: |
Elsevier |
Keywords: | Eco-efficiency Sustainable supply chains Closed-loop supply chains Multi-objective programming Optimization |
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