Title: A recovery sustainable EOQ model assuming both demand and deterioration disruption during any emergency like COVID-19

Authors: Dolagobinda Das; Gauranga Charan Samanta

Addresses: P.G. Department of Mathematics, Fakir Mohan University, Balasore, Odisha, India ' P.G. Department of Mathematics, Fakir Mohan University, Balasore, Odisha, India

Abstract: The COVID-19 lock-down has a significant impact on supply chain management. So both demand and deterioration disruption are taken into account to create a realistic EOQ model. The article take non-instantaneous deteriorating goods with linearly time-dependent deterioration that increases by a finite amount due to a deficiency of storage facilities under lock-down restrictions. This study considers demand disruption, where demand depends on the selling price. The work focus on green technology investment to control carbon emission. To reduce the order cancellation rate during an emergency, the research suggests an advance trade payment policy. The proposed model also considers inventory shortages, which might result in back-orders, and a non-zero lead time to validate lock-down. The goal of the research is to maximise the yearly profit while reducing carbon emissions.To validate the framework, some numerical examples are provided. Eventually, sensitivity studies are carried out to provide managerial insights.

Keywords: COVID-19 lock-down; deterioration; advance payment; green technology investment; carbon emission; EOQ model.

DOI: 10.1504/IJPMB.2025.145986

International Journal of Process Management and Benchmarking, 2025 Vol.20 No.2, pp.131 - 173

Received: 09 Oct 2023
Accepted: 12 Oct 2023
Published online: 01 May 2025 *

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