Article

Consolidation effects: Whether and how inventories should be pooled

Center for Logistics Studies, The COPPEAD Graduate Business School, Federal University of Rio de Janeiro, Rua Paschoal Lemme, 355, Cidade Universitária, Rio de Janeiro, CEP. 21.949-900, Brazil
Transportation Research Part E Logistics and Transportation Review (Impact Factor: 2.27). 09/2009; 45(5):678-692. DOI: 10.1016/j.tre.2009.01.006

ABSTRACT This paper presents a framework for deciding whether and how inventories should be pooled, using the consolidation effect as a cornerstone tool to measure inventory costs, service levels, and total costs. Based on the random generation of different scenarios, it is indicated the adequacy of inventory centralization, regular transshipments, and independent systems to a given set of demand, lead time, and holding costs characteristics. Sensitivity analyses on mathematical expressions are performed to determine when one alternative is preferable in terms of total costs. Real settings are also presented in light of the framework developed.

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Peter Wanke