Displaying similar documents to “A Production-Inventory Model for a Deteriorating Item With Shortage and Time- Dependent Demand”

EPQ Model with Imperfect Quality Raw Material

El-Kassar, Abdul-Nasser, Salameh, Moueen, Bitar, Mokarram (2012)

Mathematica Balkanica New Series

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MSC 2010: 26A33, 33E12, 33C60, 44A20 The classical economic production model (EPQ) has been extended in many directions to incorporate factors encountered in real-life situations. In this paper, an EPQ model that accounts for the cost of raw material needed for production is examined. It is assumed that the raw material acquired from the supplier contains a percentage of imperfect quality items. At the beginning of the inventory cycle, the raw material is received instantaneously,...

Production-inventory system with finite production rate, stock-dependent demand, and variable holding cost

Hesham K. Alfares (2014)

RAIRO - Operations Research - Recherche Opérationnelle

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In general, traditional production-inventory systems are based on a number of simplifying – but somewhat unrealistic – assumptions, including constant demand rate, constant holding cost, and instantaneous order replenishment. These assumptions have been individually challenged in numerous variations of production-inventory models. Finite production rate models, such as economic production quantity (EPQ) systems consider gradual order replenishment. Stock-dependent demand models assume...

Optimal times of price reductions for an inventory model with partial backorder and vertical shift demand

Peng-Sheng You (2007)

RAIRO - Operations Research

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This paper investigates an inventory control problem where a firm orders and sells an inventory item through discount strategy in a price sensitive market. From the economic points of view, customers may expect a further price reduction when a firm uses pricing promotion to stimulate demand, the demand curve may vertically shift down when a firm reduces the selling price. Taking these phenomena into account, this paper developed a continuous inventory model for finding the ordering...