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Adapt or Perish: An Approach to Planning Under Deep Uncertainty

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  • Warren E Walker

    (Faculty of Technology, Policy and Management - TU Delft - Delft University of Technology, Faculty of Aerospace Engineering [Delft] - TU Delft - Delft University of Technology)

Abstract

Much policy advice is formulated implicitly assuming that the future can be predicted. A static policy is developed using a single ‘most likely' future, often based on the extrapolation of trends; or a static ‘robust' policy is developed that will produce acceptable outcomes in a range of plausible future worlds. However, if the future turns out to be different from the hypothesized future(s), the policy might fail. Furthermore, not only is the future highly uncertain, the conditions policymakers need to deal with are changing over time. This paper begins by defining what is meant by ‘deep uncertainty'. It then describes a new approach for planning under conditions of deep uncertainty that is based on creating a strategic vision of the future, committing to short-term actions, and establishing a framework to guide future actions. A policy that embodies these ideas allows for its dynamic adaptation over time to meet the changing circumstances.

Suggested Citation

  • Warren E Walker, 2014. "Adapt or Perish: An Approach to Planning Under Deep Uncertainty," Post-Print halshs-01166279, HAL.
    • Handle: RePEc:hal:journl:halshs-01166279
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-01166279
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    File URL: https://shs.hal.science/halshs-01166279/document
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    References listed on IDEAS

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    1. Warren E. Walker & Marjolijn Haasnoot & Jan H. Kwakkel, 2013. "Adapt or Perish: A Review of Planning Approaches for Adaptation under Deep Uncertainty," Sustainability, MDPI, vol. 5(3), pages 1-25, March.
    2. Marchau, Vincent & Walker, Warren & van Duin, Ron, 2008. "An adaptive approach to implementing innovative urban transport solutions," Transport Policy, Elsevier, vol. 15(6), pages 405-412, November.
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