The impact of flexibility and redundancy on improving supply chain resilience to disruptions

This paper examines the relative impact on supply chain responsiveness of adding flexibility and redundancy. We seek to investigate the effectiveness of flexibility and redundancy in terms of minimising expected supply chain cost and maximizing expected service delivery when a supply chain is expose...

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Vydáno v:International journal of production research Ročník 60; číslo 6; s. 1992 - 2020
Hlavní autoři: Kamalahmadi, Masoud, Shekarian, Mansoor, Mellat Parast, Mahour
Médium: Journal Article
Jazyk:angličtina
Vydáno: London Taylor & Francis 19.03.2022
Taylor & Francis LLC
Témata:
enterprise risk management
Flexibility
operations management
Redundancy
Stochastic models
Suppliers
Supply chain management
Supply chains
supply network
ISSN:0020-7543, 1366-588X
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Shrnutí:This paper examines the relative impact on supply chain responsiveness of adding flexibility and redundancy. We seek to investigate the effectiveness of flexibility and redundancy in terms of minimising expected supply chain cost and maximizing expected service delivery when a supply chain is exposed to supplier and environmental disruptions. Compared to a supply chain that uses neither strategy and is exposed to supplier and environmental disruptions, both practices reduce expected lost sales, reduce expected total cost, and increase the expected service level. Our results show that the backup-suppliers practice is more effective than the flexible-suppliers practice, as measured by cost reduction and service-level improvement. In addition, we show that a hybrid practice created by adding some level of flexibility to a backup-suppliers practice is more desirable in terms of lowering pre-disruption investment, increasing the responsiveness of the supply chain, and lowering the expected total cost. Moreover, the result of the simulation shows that on average, the proposed stochastic model could decrease the company's total cost by 5.51%. It also shows that planning and investing in proactive demand management could decrease the company's total cost by 7.87%. Our findings provide insights into the contingencies that support implementation of each practice.
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ISSN:0020-7543
1366-588X
DOI:10.1080/00207543.2021.1883759