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Preparedness with a system integrating inventory, capacity, and capability for future pandemics and other disasters

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  • Musen Kingsley Li
  • ManMohan S. Sodhi
  • Christopher S. Tang
  • Jiayi Joey Yu

Abstract

The chaotic response of the US Strategic National Stockpile to COVID‐19 during 2020 highlighted the inadequacy of the inventory‐based approaches to disaster response. This paper examines the integration of stockpile inventory, backup capacity, and standby capability to meet the disaster‐related surge in demand in the future. We present a two‐period model of such an integrated system for consumable items with uncertain demand that follows a general probability distribution. Our model incorporates standby capability in period 1 that can be converted to additional capacity for use in period 2, with the conversion yield being deterministic or stochastic. Our main results are: (1) Adding capacity in addition to inventory is beneficial only when the capacity reservation‐related costs are relatively lower than the inventory‐related costs. In this case, adding capacity will decrease the inventory needed in both periods, the shortfall probability, and the total expected cost. (2) Adding capability in period 1 is cost‐effective only when the ratio of capability‐development cost to conversion yield is lower than the capacity reservation cost. In this case, investing in capability results in less inventory and less reserved capacity in period 2. (3) Higher uncertainty in capability conversion yield reduces the attraction of developing capability in period 1. Consequently, less capability would be developed in period 1, while more inventory and capacity would be needed in period 2 in the face of a higher shortfall probability.

Suggested Citation

  • Musen Kingsley Li & ManMohan S. Sodhi & Christopher S. Tang & Jiayi Joey Yu, 2023. "Preparedness with a system integrating inventory, capacity, and capability for future pandemics and other disasters," Production and Operations Management, Production and Operations Management Society, vol. 32(2), pages 564-583, February.
  • Handle: RePEc:bla:popmgt:v:32:y:2023:i:2:p:564-583
    DOI: 10.1111/poms.13887
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    References listed on IDEAS

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    Cited by:

    1. Ivanov, Dmitry, 2024. "Supply chain resilience: Conceptual and formal models drawing from immune system analogy," Omega, Elsevier, vol. 127(C).
    2. Chervenkova, Tanya & Ivanov, Dmitry, 2023. "Adaptation strategies for building supply chain viability: A case study analysis of the global automotive industry re-purposing during the COVID-19 pandemic," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 177(C).
    3. Thomas Y. Choi & Torbjørn H. Netland & Nada Sanders & ManMohan S. Sodhi & Stephan M. Wagner, 2023. "Just‐in‐time for supply chains in turbulent times," Production and Operations Management, Production and Operations Management Society, vol. 32(7), pages 2331-2340, July.

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