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Robustness of norm-driven cooperation in the commons

Schlüter, Maja, Tavoni, Alessandro and Levin, Simon (2016) Robustness of norm-driven cooperation in the commons. Proceedings of the Royal Society B: Biological Sciences, 283 (1822). pp. 1-9. ISSN 0962-8452

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Identification Number: 10.1098/rspb.2015.2431

Abstract

Sustainable use of common-pool resources such as fish, water or forests depends on the cooperation of resource users that restrain their individual extraction to socially optimal levels. Empirical evidence has shown that under certain social and bio-physical conditions self-organized cooperation in the commons can evolve. Global change, however, may drastically alter these conditions. We assess the robustness of cooperation to environmental variability in a stylised model of a community that harvests a shared resource. Community members follow a norm of socially optimal resource extraction, which is enforced through social sanctioning. Our results indicate that both resource abundance and a small increase in resource variability can lead to collapse of cooperation observed in the no-variability casewhile either scarcity or large variability have the potential to stabilize it. The combined effects of changes in amount and variability can reinforce or counteract each other depending on their size and the initial level of cooperation in the community. If two socially separate groups are ecologically connected through resource leakage, cooperation in one candestabilize the other. These findings provide insights into possible effects of global changeand spatial connectivity, indicating that there is no simple answer as to their effects on cooperation and sustainable resource use.

Item Type: Article
Official URL: http://rspb.royalsocietypublishing.org/
Additional Information: © 2016 The Authors
Divisions: Grantham Research Institute
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
H Social Sciences > H Social Sciences (General)
Q Science > QH Natural history > QH301 Biology
Sets: Research centres and groups > Grantham Research Institute on Climate Change and the Environment
Date Deposited: 18 Dec 2015 13:05
Last Modified: 20 Jun 2019 02:13
Projects: RES-599-28-0001, EF-1137894, 283950, DMS/1260/0955699, GEO-1211972, RFP-12-14
Funders: Economic and Social Research Council, European Union’s Seventh Framework Programme (FP/2007-2013)/ERC, National Science Foundation, Foundational Questions Evolutionary Biology
URI: http://eprints.lse.ac.uk/id/eprint/64756

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