End-of-life inventory management problem: results and insights
buir.contributor.author | Erkip, Nesim Kohen | |
buir.contributor.orcid | Erkip, Nesim Kohen|0000-0003-4122-6375 | |
buir.contributor.orcid | Ararat, Çağın|0000-0002-6985-7665 | |
dc.citation.epage | 24 | en_US |
dc.citation.spage | 1 | en_US |
dc.citation.volumeNumber | 243 | en_US |
dc.contributor.author | Ozyoruk, E. | |
dc.contributor.author | Erkip, Nesim Kohen | |
dc.contributor.author | Ararat, Çağın | |
dc.date.accessioned | 2023-02-21T07:37:20Z | |
dc.date.available | 2023-02-21T07:37:20Z | |
dc.date.issued | 2021-09-30 | |
dc.department | Department of Industrial Engineering | en_US |
dc.description.abstract | We consider a manufacturer who manages the end-of-life phase and takes one of the three actions at each period: (1) place an order, (2) use existing inventory, (3) stop holding inventory and use an outside/alternative source. Two examples of this source are discounts for a new generation product and delegating operations. Demand is described by a non-homogeneous Poisson process, and the decision to stop holding inventory is described by a stopping time. After formulating this problem as an optimal stopping problem with additional decisions and presenting its dynamic programming algorithm, we use martingale theory to facilitate the calculation of the value function. Moreover, we show analytical results to understand the additional difficulties of the problem solved, as well as structural results on optimal stopping times. Furthermore, we devise an expandable taxonomy and categorize the models in the literature. Analytical insights from the models as well as an extensive numerical analysis show the value of our approach. The results indicate that the loss can be high in case the manufacturer does not exploit flexibility in placing orders or use an outside source. Several managerial insights are obtained through numerical analysis as well as structural results to facilitate decision-making during the end-of-life horizon. © 2021 Elsevier B.V. | en_US |
dc.description.provenance | Submitted by Ferman Özavinç (ferman.ozavinc@bilkent.edu.tr) on 2023-02-21T07:37:20Z No. of bitstreams: 1 End-of-life inventory management problem results and insights.pdf: 910828 bytes, checksum: 4ef708c3555feee8c04c75707972753d (MD5) | en |
dc.description.provenance | Made available in DSpace on 2023-02-21T07:37:20Z (GMT). No. of bitstreams: 1 End-of-life inventory management problem results and insights.pdf: 910828 bytes, checksum: 4ef708c3555feee8c04c75707972753d (MD5) Previous issue date: 2021-09-30 | en |
dc.identifier.doi | 10.1016/j.ijpe.2021.108313 | en_US |
dc.identifier.issn | 0925-5273 | |
dc.identifier.uri | http://hdl.handle.net/11693/111567 | |
dc.language.iso | English | en_US |
dc.publisher | Elsevier | en_US |
dc.relation.isversionof | https://dx.doi.org/10.1016/j.ijpe.2021.108313 | en_US |
dc.source.title | International Journal of Production Economics | en_US |
dc.subject | End-of-life inventory management | en_US |
dc.subject | Management of end-of-life problem | en_US |
dc.subject | Management of end-of-life problem | en_US |
dc.subject | Optimal stopping with additional decisions | en_US |
dc.title | End-of-life inventory management problem: results and insights | en_US |
dc.type | Article | en_US |
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