Competition over personal resources favors contribution to shared resources in human groups.

Members of social groups face a trade-off between investing selfish effort for themselves and investing cooperative effort to produce a shared group resource. Many group resources are shared equitably: they may be intrinsically non-excludable public goods, such as vigilance against predators, or so...

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Bibliographic Details
Main Authors: Jessica L Barker, Pat Barclay, H Kern Reeve
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3592809?pdf=render