Another look at the single-vendor single-buyer integrated production–inventory problem

Another look at the single-vendor single-buyer integrated production–inventory problem

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Article ID: iaor20062003
Country: United Kingdom
Volume: 44
Issue: 4
Start Page Number: 791
End Page Number: 800
Publication Date: Jan 2006
Journal: International Journal of Production Research
Authors: ,
Keywords: inventory
Abstract:

This paper considers a supply chain in which a ‘vendor’ supplies a product to a ‘buyer’. The vendor manufactures the product at a finite rate and periodically ships the output to the buyer. The buyer then consumes the product at a fixed rate. Costs are attached to manufacturing batch set up, the delivery of a shipment and stockholding at the vendor and buyer. The objective is to determine the production and shipment policy which minimizes long-run total average cost – assuming the vendor and buyer collaborate and find a way of sharing the consequent benefits. Most previous work has been based on the assumption that unit stockholding costs increase as stock moves down the supply chain, but recent research has suggested that the opposite may sometimes hold. We show how the optimal batch production and shipment policy may be derived when unit stockholding costs increase as stock moves down the chain and shipments are not necessarily equal in size.

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