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Physics > Physics and Society

Title: Reputation is required for cooperation to emerge in dynamic networks

Abstract: Melamed, Harrell, and Simpson have recently reported on an experiment which appears to show that cooperation can arise in a dynamic network without reputational knowledge, i.e., purely via dynamics [1]. We believe that their experimental design is actually not testing this, in so far as players do know the last action of their current partners before making a choice on their own next action and subsequently deciding which link to cut. Had the authors given no information at all, the result would be a decline in cooperation as shown in [2].
Comments: Comment to: Melamed, D., Harrell, A., Simpson, B. (2018). Cooperation, clustering, and assortative mixing in dynamic networks. Proc Natl Acad Sci USA, 201715357
Subjects: Physics and Society (physics.soc-ph); Social and Information Networks (cs.SI)
Cite as: arXiv:1803.06035 [physics.soc-ph]
  (or arXiv:1803.06035v1 [physics.soc-ph] for this version)

Submission history

From: Carlos Gracia-Lázaro [view email]
[v1] Thu, 15 Mar 2018 23:39:21 GMT (53kb)