Forecast errors and inventory performance under forecast information sharing

Ali, Mohammad M., Boylan, John E. and Syntetos, Argyrios ORCID: https://orcid.org/0000-0003-4639-0756 2012. Forecast errors and inventory performance under forecast information sharing. International Journal of Forecasting 28 (4) , pp. 830-841. 10.1016/j.ijforecast.2010.08.003

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Abstract

Previous research has shown that the forecast accuracy is to be distinguished from the performance of the forecasts when utility measures are employed. This is particularly true in an inventory management context, where the interactions between forecasting and stock control are not yet fully understood. In this paper, the relationship between the forecasting performance and inventory implications is explored under an ARIMA representation of the demand process. Two distinct scenarios are incorporated in our analysis: Forecast Information Sharing (FIS) and No Information Sharing (NIS) in a two-stage supply chain. We approach the problem analytically and by means of simulation. The validity of the theoretical results is assessed on a real sales dataset from a major European superstore. The results indicate that the gain in accuracy from Forecast Information Sharing depends on the demand process. The translation to inventory savings then depends on the magnitude of the forecast accuracy improvement, regardless of the demand process. Insights into pertinent managerial issues are also offered, and our paper concludes with an agenda for further research in this area.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Business (Including Economics)
Subjects:	H Social Sciences > HD Industries. Land use. Labor
Uncontrolled Keywords:	Sales forecasting; Forecasting accuracy; Supply chain; Inventory forecasting; Forecast information sharing
Publisher:	Elsevier
ISSN:	0169-2070
Last Modified:	21 Oct 2022 11:00
URI:	https://orca.cardiff.ac.uk/id/eprint/42064

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