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The Non-Tragedy of the Non-Linear Commons
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Submitted:
12 April 2020
Posted:
15 April 2020
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Abstract
Public goods are produced at all levels of the biological hierarchy, from the secretion of diffusible molecules by cells to social interactions in humans. However, the cooperation needed to produce public goods is vulnerable to exploitation by free-riders — the Tragedy of the Commons. The dominant solution to this problem of collective action is that some form of positive assortment (due to kinship or spatial structure) or of enforcement (reward and punishment) is necessary for public-goods cooperation to evolve. However, these solutions are only needed when individual contributions to the public good accrue linearly, and the assumption of linearity is never true in biology. We explain how cooperation for nonlinearpublic goods is maintained endogenously and does not require positive assortment or enforcement, and we review the considerable empirical evidence for the existence and maintenance of nonlinear public goods in biology. We argue that it is time to move beyond discussions about assortment and enforcement in the study of cooperation in biology.
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Subject: Biology and Life Sciences - Other
Copyright: This open access article is published under a Creative Commons CC BY 4.0 license, which permit the free download, distribution, and reuse, provided that the author and preprint are cited in any reuse.
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