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Sea-Level Rise Adaptation and Collaboration in Polycentric Governance: A Comparison of Three Regions

Francesca Vantaggiato, Mark Lubell, Matthew C. Nowlin, Juita-Elena (Wie) Yusuf, and Majid Shafiee-Jood

2026 · Public Administration Review, Forthcoming

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@article{vantaggiato2026sea,
  title = {Sea-Level Rise Adaptation and Collaboration in Polycentric Governance: A Comparison of Three Regions},
  author = {Francesca Vantaggiato and Mark Lubell and Matthew C. Nowlin and Juita-Elena (Wie) Yusuf and Majid Shafiee-Jood},
  year = {2026},
  journal = {Public Administration Review, Forthcoming},
  doi = {10.1111/puar.70117},
  url = {https://matthewcnowlin.com/publication/sea-level-rise-adaptation-polycentric-governance/}
}

Abstract

Adaptation to sea-level rise confronts coastal communities worldwide with a new set of collective action problems that require collaboration. When does collaboration result in concrete action for adaptation? To address this question, we combine the Ecology of Games and Collaborative Governance frameworks using a comparative analysis of three coastal regions in the United States. We leverage original survey data from the San Francisco Bay Area in California (2018, N = 878), the Tri-County (Charleston) Area in South Carolina (2022, N = 152), and the Hampton Roads region in Virginia (2023, N = 153), three regions that differ in terms of vulnerability, institutional capacity, and political culture. Across all three regions, we find that collaboration in sea-level rise adaptation is driven by a core set of high-capacity actors who build and participate across multiple planning forums in polycentric governance arrangements.

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