Supply chain resilience

Supply chain resilience is "the capacity of a supply chain to persist, adapt, or transform in the face of change".[1]

Origins

Around the turn of the millennium, supply chain risk management has attempted to transfer traditional risk management approaches from the "company" system to the "supply chain" system.[2] However, the scalability of traditional risk management steps (identification, assessment, treatment and monitoring of risks) quickly reaches its limits: It is entirely possible to identify all conceivable risks within a company; However, a supply chain often consists of thousands of companies – the attempt to identify all possible risks in this system is therefore much more complex, if not in vain.[1] It is a popular concept in contemporary supply chain management. It has therefore been argued that the complexity of supply chains requires complementary measures such as supply chain resilience.[3] Resilience is able to cope with all sorts of changes and is thus less about the identification of specific risks but more about the characteristics of the system.[4]

Interpretations of supply chain resilience

Resilience in the sense of engineering resilience

For a long time, the interpretation of resilience in the sense of engineering resilience prevailed in supply chain management.[1] It is implied here that supply chain is a closed system that can be controlled, similar to a system designed and planned by engineers (e.g. subway network).[5] The expectations placed on managers come close to those placed on engineers, who should react quickly in the event of a disturbance in order to restore the system's ideal and original state as quickly as possible.[6] A popular implementation of this idea in supply chain management is given by measuring the time-to-survive and the time-to-recover of the supply chain, allowing to identify weak points in the system.[7] Acting like an engineer by redesigning the supply chain like on the drawing board, often by creating redundancies (e.g. multiple sourcing), strengthens resilience. In the short term, a supply chain can be viewed as a relatively rigid system. The idea of persistence of a supply chain that follows from engineering resilience therefore makes sense in the short term. However, this approach has mid to long-term limits. While the traditional engineering resilience approach in supply chains focuses on a quick response to restore the system to its ideal and original state after a disturbance, emerging perspectives suggest a shift towards a more proactive adaptation approach. This new viewpoint highlights the importance of not just reactive measures, but also proactive strategies like redundancy, flexibility, and adaptability to ensure the supply chain's persistent performance and adaptability in the face of disruptions.[8]

Resilience in the sense of socio-ecological resilience

The resilience of social-ecological systems changes in the four phases of each adaptive cycle. This applies at all levels of a panarchy separately.

Social-ecological resilience goes back to ecological resilience, adding to it human decision-makers and their social interactions.[9] A supply chain is thus interpreted as a social-ecological system that – similar to an ecosystem (e.g. forest) – is able to constantly adapt to external environmental conditions and – through the presence of social actors and their ability to foresight – also to transform itself into a fundamentally new system.[5] This leads to a panarchical interpretation of a supply chain, embedding it into a system of systems, allowing to analyze the interactions of the supply chain with systems that operate at other levels (e.g. society, political economy, planet Earth).[5] For example, Tesla's supply chain can be described as resilient because it reflects the transformation from internal combustion engines to electric engines, which is based on the ability of human actors to foresee long-term changes in the planet in the context of the climate crisis and to implement them in a business model. In contrast to engineering resilience, the supply chain is not interpreted as a system that needs to be stabilized in a fixed state (focus: persistence), but as a fluid system or even as a fluid process that interacts with the rest of the world (focus: adaptation or even transformation).[1]

Recent studies and data have examined how the European Union firms responded to significant supply chain disruptions caused by the COVID-19 pandemic, maritime transport issues, and geopolitical conflicts. These events exposed the vulnerabilities of EU supply chains, particularly their reliance on foreign imports. [10]

For example, in 2023 44% of EU firms that imported from China experienced transport and logistics challenges, while only 22% of firms that import solely within the EU reported similar numbers. [11]

In response to challenges like these, trade patterns have shifted. The share of EU exports directed to the US increased to 21% in 2023, compared to a 14% in 2010. This is in order to mitigate risk and enhance supply chain resilience. [11]

Literature

  • Sheffi, Y. (2007). The resilient enterprise: overcoming vulnerability for competitive advantage. Zone Books.
  • Walker, B. (2020). Resilience: what it is and is not. Ecology and Society, 25(2).
  • Wieland, A., & Durach, C.F. (2021). Two perspectives on supply chain resilience. Journal of Business Logistics, 42(3), pp. 315-322.

References

  1. ^ a b c d Wieland, A., & Durach, C. F. (2021). Two perspectives on supply chain resilience. Journal of Business Logistics. https://doi.org/10.1111/jbl.12271
  2. ^ Norrman, A., & Jansson, U. (2004). Ericsson’s proactive supply chain risk management approach after a serious sub‐supplier accident. International Journal of Physical Distribution & Logistics Management, 34(5), 434-456. https://doi.org/10.1108/09600030410545463
  3. ^ see Walker, B. (2020). Resilience: what it is and is not. Ecology and Society, 25(2).
  4. ^ Sheffi, Y. (2007). The resilient enterprise: overcoming vulnerability for competitive advantage. Zone Books.
  5. ^ a b c Wieland, A. (2021). Dancing the supply chain: Toward transformative supply chain management. Journal of Supply Chain Management, 57(1), 58-73. https://doi.org/10.1111/jscm.12248
  6. ^ see Holling, C. S. (1996). Engineering resilience versus ecological resilience. In: Engineering within ecological constraints, 31(1996), 32.
  7. ^ Simchi‐Levi, D., Wang, H., & Wei, Y. (2018). Increasing supply chain robustness through process flexibility and inventory. Production and Operations Management, 27(8), 1476-1491.
  8. ^ Ivanov, Dmitry (2023-09-04). "Two views of supply chain resilience". International Journal of Production Research: 1–15. doi:10.1080/00207543.2023.2253328. ISSN 0020-7543.
  9. ^ Folke, C. (2006). Resilience: The emergence of a perspective for social–ecological systems analyses. Global Environmental Change, 16(3), 253-267.
  10. ^ Attinasi, Maria Grazia; Balatti, Mirco; Mancini, Michele; Metelli, Luca (2022-01-13). "Supply chain disruptions and the effects on the global economy". {{cite journal}}: Cite journal requires |journal= (help)
  11. ^ a b Bank, European Investment (2024-10-03). Navigating supply chain disruptions: New insights into the resilience and transformation of EU firms. European Investment Bank. ISBN 978-92-861-5807-0.

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