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作者:Devalkar, Sripad K.; Anupindi, Ravi; Sinha, Amitabh
作者单位:Indian School of Business (ISB); University of Michigan System; University of Michigan
摘要:Adverse commodity prices can cause significant negative cash flows and expose firms that deal in commodities to financial distress. In this paper we consider the dynamic risk management problem for a commodity processor operating in a partially complete market, facing both price uncertainty and significant financial distress costs. The firm procures an input commodity, processes it to produce an output commodity, and trades the output commodity in each period over a multiperiod horizon. The fi...
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作者:Janakiraman, Ganesh; Nagarajan, Mahesh; Veeraraghavanc, Senthil
作者单位:University of Texas System; University of Texas Dallas; University of British Columbia; University of Pennsylvania
摘要:In many scenarios, a fixed capacity is shared flexibly between multiple products. To manage such multiproduct systems, firms need to make two sets of decisions. The first one requires setting an inventory target for each product, and the second requires dynamically allocating the scarce capacity among the products. It is not known how to make these decisions optimally. In this paper, we propose easily implementable policies that have both theoretical and practical appeal. We first suggest simp...
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作者:Sarhangian, Vahid; Abouee-Mehrizi, Hossein; Baron, Opher; Berman, Oded
作者单位:University of Toronto; University of Waterloo; University of Toronto
摘要:Under current regulations, red blood cell (RBC) units can be transfused to patients up to 42 days after donation. However, recent studies suggest an association between the age of transfused RBCs and adverse clinical outcomes for their recipients. Therefore, there is an interest in inventory management policies that could reduce the age of transfused RBCs without compromising their availability. In this work, we study the performance of a practical family of threshold-based allocation policies...