Inventory control in supply chains: Alternative approaches to a two-stage lot-sizing problem

András Kovács, Péter Egri, Tamás Kis and József Váncza

International Journal of Production Economics, 2013, vol. 143, issue 2, 385-394

Abstract: The principal challenge of inventory control in supply chains is that the interacting autonomous enterprises have to plan their production and logistics under information asymmetry, driven by different, often conflicting objectives. In this paper, four different computational approaches are investigated to cope with this challenge: decomposition, integration, coordination, and bilevel programming. The four approaches are applied to solving the same two-stage economic lot-sizing problem, and compared in computational experiments. The prerequisites of the approaches are analyzed, and it is shown that the profits realized and the costs incurred at the different parties largely depend on the solution approach applied. This research also resulted in a novel coordination mechanism, as well as a new algorithm for the bilevel optimization approach to the investigated lot-sizing problem. A specific goal of this study is to highlight the so far less recognized application potential of the coordination and the bilevel optimization approaches for controlling inventories in a supply chain.

Keywords: Supply chain; Inventory control; Integration; Coordination; Bilevel programming (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:proeco:v:143:y:2013:i:2:p:385-394

DOI: 10.1016/j.ijpe.2012.01.001

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