Integrated inventory management and supplier base reduction in a supply chain with multiple uncertainties

Dong-Ping Song, Jing-Xin Dong and Jingjing Xu

European Journal of Operational Research, 2014, vol. 232, issue 3, 522-536

Abstract: This paper considers a manufacturing supply chain with multiple suppliers in the presence of multiple uncertainties such as uncertain material supplies, stochastic production times, and random customer demands. The system is subject to supply and production capacity constraints. We formulate the integrated inventory management policy for raw material procurement and production control using the stochastic dynamic programming approach. We then investigate the supplier base reduction strategies and the supplier differentiation issue under the integrated inventory management policy. The qualitative relationships between the supplier base size, the supplier capabilities and the total expected cost are established. Insights into differentiating the procurement decisions to different suppliers are provided. The model further enables us to quantitatively achieve the trade-off between the supplier base reduction and the supplier capability improvement, and quantify the supplier differentiation in terms of procurement decisions. Numerical examples are given to illustrate the results.

Keywords: Supply chain; Raw material procurement; Production control; Supplier base reduction; Uncertainty; Integration (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:232:y:2014:i:3:p:522-536

DOI: 10.1016/j.ejor.2013.07.044

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