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  A model of smiling as a costly signal of cooperation opportunities

Centorrino, S., Djemai, E., Hopfensitz, A., Milinski, M., & Seabright, P. (2015). A model of smiling as a costly signal of cooperation opportunities. Adaptive Human Behavior and Physiology, 1(3), 325-340. doi:10.1007/s40750-015-0026-4.

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 Creators:
Centorrino, Samuele, Author
Djemai, Elodie, Author
Hopfensitz, Astrid, Author
Milinski, Manfred1, Author           
Seabright, Paul, Author
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: Smiling; Costly signaling; Experiment; Trust game
 Abstract: We develop a theoretical model under which “genuine” or “convincing” smiling is a costly signal that has evolved to induce cooperation in situations requiring mutual trust. Prior to a trust interaction involving a decision by a sender to send money to a recipient, the recipient can emit a signal to induce the sender to trust them. The signal takes the form of a smile that may be perceived as more or less convincing, and that can be made more convincing with the investment of greater effort. Individuals differ in their degree of altruism and in their tendency to display reciprocity. The model generates three testable predictions. First, the perceived quality of the recipient’s smile is increasing in the size of the stake. Secondly, the amount sent by the sender is increasing in the perceived quality of the recipient’s smile. Thirdly, the expected gain to senders from sending money to the recipient is increasing in the perceived quality of the recipient’s smile. © 2015, The Author(s).

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Language(s): eng - English
 Dates: 2015-04-062014-11-282015-04-092015-04-232015
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1007/s40750-015-0026-4
BibTex Citekey: Centorrino2015325
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Title: Adaptive Human Behavior and Physiology
Source Genre: Journal
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Publ. Info: Springer International Publishing
Pages: 16 Volume / Issue: 1 (3) Sequence Number: - Start / End Page: 325 - 340 Identifier: Other: 2198-7335
CoNE: https://pure.mpg.de/cone/journals/resource/2198-7335