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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/48128

    Título
    Optimization of an inventory system with partial backlogging from a financial investment perspective
    Autor
    San José Nieto, Luis AugustoAutoridad UVA
    Sicilia Rodríguez, Joaquín
    Pando Fernández, ValentínAutoridad UVA Orcid
    Alcaide López de Pablo, David
    Año del Documento
    2021
    Editorial
    Wiley
    Descripción
    Producción Científica
    Documento Fuente
    International Transactions in Operational Research, 2021, p.1-23
    Resumen
    In some real inventory systems, item sales can be adjusted to a stable demand rate along the inventory cycle.For instance, home appliances, electrical products, lounge furniture, home water supply, etc., are items with astable demand rate. In this work, we analyze an inventory system for an item of this type, where the demandrate is constant. Shortages are allowed, and it is assumed that a fraction of demand during the stock-outperiod is backlogged. It is supposed that the shortage costs (backorder cost and lost sales cost) have an affinestructure: a fixed cost plus a linear cost that depends on the period of time where shortages exist. In thispaper, instead of the maximization of the profit per unit time, or the minimization of the average inventorycost per unit time, the objective is the maximization of the return on inventory investment, which is a quotientdefined as the average profit divided by the average inventory cost. The optimal inventory policy is obtainedin a closed form under this new perspective. Moreover, it is shown that the optimal policy that maximizes thereturn on inventory investment is, in general, different from the one that maximizes the profit per unit time. Inaddition, the new optimal perspective offers some advantages. The optimal inventory policy that maximizesthe return on investment does not depend on the unit selling price. Therefore, the inventory manager does notneed to change his/her inventory policy if this price changes. These advantages are not usually present whenthe objective is the maximization of the profit per unit time. Numerical examples are provided to illustratethe theoretical results developed in this work. A sensitivity analysis of the optimal policy with respect to thesystem input parameters is also developed.
    Materias Unesco
    12 Matemáticas
    Palabras Clave
    Inventory
    Inventario
    Return on inventory investment
    Partial backlogging
    Shortage cost
    ISSN
    0969-6016
    Revisión por pares
    SI
    DOI
    10.1111/itor.13038
    Patrocinador
    Ministerio de Ciencia, Innovación y Universidades de España y cofinanciado por la Comunidad Europea en el marco del Fondo Europeo de Desarrollo Regional (Research Project MTM2017-84150-P)
    Version del Editor
    https://onlinelibrary.wiley.com/doi/10.1111/itor.13038
    Propietario de los Derechos
    © 2021 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/48128
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    • IMUVA - Artículos de Revista [104]
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    Universidad de Valladolid

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