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dc.contributor.authorPinçe, Ç.en_US
dc.contributor.authorGürler, Ü.en_US
dc.contributor.authorBerk, E.en_US
dc.date.accessioned2016-02-08T10:07:29Z
dc.date.available2016-02-08T10:07:29Z
dc.date.issued2008en_US
dc.identifier.issn0377-2217
dc.identifier.urihttp://hdl.handle.net/11693/22988
dc.description.abstractIn this study, we analyze an inventory system facing stochastic external demands and an autonomous supply (independent return flow) in the presence of fixed disposal costs and positive lead times under a continuous review replenishment-disposal policy. We derive the analytical expressions of the operating characteristics of the system; and, construct the objective function to minimize the total expected costs of ordering, holding, purchasing and disposal per unit time subject to a fill rate constraint. An extensive numerical analysis is conducted to study the sensitivity of the policy parameters and the benefit of employing a policy which allows for disposal of excess stock in this setting. We model the net demand process as the superposition of normally distributed external demand and inflows, which is expressed as a Brownian motion process. Our findings indicate that the disposal option results in considerable savings even (i) in the presence of non-zero fixed disposal costs, (ii) large actual demand rates with high return ratios (resulting in small net demands) and (iii) for moderate return ratios with high demand variability.en_US
dc.language.isoEnglishen_US
dc.source.titleEuropean Journal of Operational Researchen_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.ejor.2007.04.055en_US
dc.subjectInventory controlen_US
dc.subjectReusablesen_US
dc.subjectDisposalen_US
dc.subjectBrownian motionen_US
dc.subjectAutonomous supplyen_US
dc.titleA continuous review replenishment-disposal policy for an inventory system with autonomous supply and fixed disposal costsen_US
dc.typeArticleen_US
dc.departmentDepartment of Industrial Engineering
dc.departmentDepartment of Management
dc.citation.spage421en_US
dc.citation.epage442en_US
dc.citation.volumeNumber190en_US
dc.citation.issueNumber2en_US
dc.identifier.doi10.1016/j.ejor.2007.04.055en_US
dc.publisherElsevieren_US
dc.identifier.eissn1872-6860


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