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On the exact calculation of the fill rate in a periodic review inventory policy under discrete demand patterns

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On the exact calculation of the fill rate in a periodic review inventory policy under discrete demand patterns

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dc.contributor.author Guijarro Tarradellas, Ester es_ES
dc.contributor.author Cardós, Manuel es_ES
dc.contributor.author Babiloni, Eugenia es_ES
dc.date.accessioned 2014-02-14T10:32:45Z
dc.date.issued 2012-04-12
dc.identifier.issn 0377-2217
dc.identifier.uri http://hdl.handle.net/10251/35654
dc.description.abstract The primary goal of this paper is the development of a generalized method to compute the fill rate for any discrete demand distribution in a periodic review policy. The fill rate is defined as the fraction of demand that is satisfied directly from shelf. In the majority of related work, this service metric is computed by using what is known as the traditional approximation, which calculates the fill rate as the complement of the quotient between the expected unfulfilled demand and the expected demand per replenishment cycle, instead of focusing on the expected fraction of fulfilled demand. This paper shows the systematic underestimation of the fill rate when the traditional approximation is used, and evises both the foundations of the traditional approach and the definition of fill rate itself. As a result, this paper presents the following main contributions: (i) a new exact procedure to compute the traditional approximation for any discrete demand distribution; (ii) a more suitable definition of the fill rate in order to ignore those cycles without demand; and (iii) a new standard procedure to compute the fill rate that outperforms previous approaches, especially when the probability of zero demand is substantial. This paper ocuses on the traditional periodic review, order up to level system under any uncorrelated, discrete and stationary demand pattern for the lost sales scenario. es_ES
dc.description.sponsorship The authors would like to thank the two anonymous referees for their thorough reading and very constructive comments on earlier versions of this paper. This work was part of a project supported by the Universitat Politecnica de Valencia, Ref. PAID-06-11/2022. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof European Journal of Operational Research es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Inventory es_ES
dc.subject Fill rate es_ES
dc.subject Periodic review es_ES
dc.subject Discrete demand es_ES
dc.subject Lost sales es_ES
dc.subject.classification ORGANIZACION DE EMPRESAS es_ES
dc.title On the exact calculation of the fill rate in a periodic review inventory policy under discrete demand patterns es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.ejor.2011.11.025
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-06-11-2022/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Organización de Empresas - Departament d'Organització d'Empreses es_ES
dc.description.bibliographicCitation Guijarro Tarradellas, E.; Cardós, M.; Babiloni, E. (2012). On the exact calculation of the fill rate in a periodic review inventory policy under discrete demand patterns. European Journal of Operational Research. 218(2):442-447. https://doi.org/10.1016/j.ejor.2011.11.025 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.ejor.2011.11.025 es_ES
dc.description.upvformatpinicio 442 es_ES
dc.description.upvformatpfin 447 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 218 es_ES
dc.description.issue 2 es_ES
dc.relation.senia 207830
dc.contributor.funder Universitat Politècnica de València es_ES


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