Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/62635
Title: Convenient expressions for computing the exact annual cost of a continuous-review (Q, R) system with backordering
Authors: Lau, AHL
Lau, HS
Robinson, LW
Keywords: Inventory
(Q
R) systems
Issue Date: 2002
Publisher: Palgrave Macmillan
Source: Journal of the Operational Research Society, 2002, v. 53, no. 6, p. 655-663 How to cite?
Journal: Journal of the Operational Research Society 
Abstract: For a continuous-review order-quantity reorder point system, the 'average on-hand inventory level' ('AOI') is often computed by the approximate Hadley-Whitin expression, while the exact AOI is given by a double integral that appears daunting to both students and practitioners. This paper presents exact AOI expressions that are simple enough to be executed by the most basic business softwares. Numerical examples are provided to illustrate the ease of using these expressions as well as the necessity of using them in situations where the standard Hadley-Whitin approximation becomes too inaccurate.
URI: http://hdl.handle.net/10397/62635
ISSN: 0160-5682
EISSN: 1476-9360
DOI: 10.1057/palgrave.jor
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