The two-level economic lot sizing problem with perishable items
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CitationÖnal, M. (2016). The two-level economic lot sizing problem with perishable items. Operations Research Letters, 44(3), 403-408. doi:10.1016/j.orl.2016.03.017
We present an economic lot sizing model of a supply chain for the procurement and distribution of a perishable item. We assume that the consumers always buy the item that lasts longer. We show that determining optimal procurement and transfer plan is NP-hard, and present polynomial time solvable special cases.