A novel approach to safety stock management in an integrated supply chain with controllable lead time and ordering cost reduction using present value
RAIRO - Operations Research - Recherche Opérationnelle, Tome 54 (2020) no. 5, pp. 1327-1346.

This paper presents a novel approach to safety stock management and investigates the impact of lead time reduction within an integrated vendor–buyer supply chain framework using present value where lead time and ordering cost reductions act dependently. In particular, the cost of the safety stock is determined by adopting a logistic approximation to the standard normal cumulative distribution. The service level is formulated in relation to the dimension of the single shipment, to the average demand of the buyer and to the number of admissible stockouts. We first discuss the case where the lead time and ordering cost reductions with linear function, and then consider the logarithmic functional relationship. Numerical examples including the sensitivity analysis with some managerial insights of system parameters is provided to validate the results of the supply chain models. The main contribution of this paper is introducing various types of ordering cost reduction in Braglia et al. (Appl. Stoc. Mod. Bus. Ind. 32 (2016) 99–112) by handling a new approach.

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DOI : 10.1051/ro/2019051
Classification : 90B05
Mots-clés : Safety stock management, integrated vendor–buyer supply chain, logistic approximation, ordering cost reductions, present value
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     title = {A novel approach to safety stock management in an integrated supply chain with controllable lead time and ordering cost reduction using present value},
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Tharani, S.; Uthayakumar, R. A novel approach to safety stock management in an integrated supply chain with controllable lead time and ordering cost reduction using present value. RAIRO - Operations Research - Recherche Opérationnelle, Tome 54 (2020) no. 5, pp. 1327-1346. doi : 10.1051/ro/2019051. http://www.numdam.org/articles/10.1051/ro/2019051/

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