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This paper studies a periodic-review, serial supply chain in which materials are ordered and shipped according to R(nQ) policies. Three information scenarios are considered, depending on the level of information available: echelon, local, and quasilocal. In the echelon scenario, each stage can access the inventory and cost information within its echelon (comprising the stage itself and all downstream stages); in the local scenario, each stage only accesses its own local information. Finally, in the quasilocal scenario, each stage knows its local information, plus the actual customer demands. The authors propose coordination schemes that regulate the stages to achieve the supply chain's optimal cost under each information setting.
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