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• W2883108065 endingPage "998" @default.
• W2883108065 startingPage "979" @default.
• W2883108065 abstract "A new supplier price break and discount scheme taking into account order frequency and lead time is introduced and incorporated into an integrated inventory planning model for a serial supply chain that minimizes the overall incurred cost including procurement, inventory holding, production, and transportation. A mixed-integer linear programming (MILP) formulation is presented addressing this multi-period, multi-supplier, and multi-stage problem with predetermined time-varying demand for the case of a single product. Then, the length of the time period is considered as a variable. A new MILP formulation is derived when each period of the model is split into multiple sub-periods, and under certain conditions, it is proved that the optimal solution and objective value of the original model form a feasible solution and an upper bound for the derived model. In a numerical example, three scenarios of the derived model are solved where the number of sub-period is set to 2, 3, and 4. The results further show the decrease of the optimal objective value as the length of the time period is shortened. Sufficient evidence demonstrates that the length of the time period has a significant influence on supplier selection, lot sizing allocation, and inventory planning decisions. This poses the necessity of the selection of appropriate length of a time period, considering the trade-off between model complexity and cost savings." @default.
• W2883108065 created "2018-08-03" @default.
• W2883108065 creator A5064602538 @default.
• W2883108065 creator A5068426645 @default.
• W2883108065 date "2019-02-01" @default.
• W2883108065 modified "2023-09-27" @default.
• W2883108065 title "A Dynamic Supplier Selection and Inventory Management Model for a Serial Supply Chain with a Novel Supplier Price Break Scheme and Flexible Time Periods" @default.
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• W2883108065 doi "https://doi.org/10.1016/j.ejor.2018.07.031" @default.
• W2883108065 hasPublicationYear "2019" @default.
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