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Forecasting of compound Erlang demand

Syntetos, Argyrios, Babai, Mohamed Zied and Luo, Shuxin 2015. Forecasting of compound Erlang demand. Journal of the Operational Research Society 66 , pp. 2061-2074. 10.1057/jors.2015.27

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Intermittent demand items dominate service and repair inventories in many industries and they are known to be the source of dramatic inefficiencies in the defence sector. However, research in forecasting such items has been limited. Previous work in this area has been developed upon the assumption of a Bernoulli or a Poisson demand arrival process. Nevertheless, intermittent demand patterns may often deviate from the memory-less assumption. In this work we extend analytically previous important results to model intermittent demand based on a compound Erlang process, and we provide a comprehensive categorisation scheme to be used for forecasting purposes. In a numerical investigation we assess the benefit of departing from the memory-less assumption and we provide insights into how the degree of determinism inherent in the process affects forecast accuracy. Operationalised suggestions are offered to managers and software manufacturers dealing with intermittent demand items.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Centre for Advanced Manufacturing Systems At Cardiff (CAMSAC)
Business (Including Economics)
Publisher: Palgrave Macmillan
ISSN: 0160-5682
Date of First Compliant Deposit: 30 March 2016
Date of Acceptance: 11 March 2015
Last Modified: 27 Jun 2019 17:11

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