Do experimental subjects favor their friends?

Pablo Brañas-Garza, Miguel Duran and Maria Paz Espinosa

No 05/14, ThE Papers from Department of Economic Theory and Economic History of the University of Granada.

Abstract: Ideally we would like subjects of experiments to be perfect strangers so that the situation they face at the lab is not just a part of a long run interaction. Unfortunately, it is not easy to reach those conditions and experimenters try to mitigate any effects coming form these out-of- the-lab relationships by, for instance, randomly matching subjects. However, even if this type of procedure is used, there is a positive probability that a subject faces a friend or an acquaintance. We find evidence that social proximity among subjects is irrelevant for experiments’ results in dictator games. Thus, although ideal conditions are not met, relations among subjects are not contaminating the experiments’ results.

Keywords: experimental procedures; friendship effect; dictator game; fairness. (search for similar items in EconPapers)
JEL-codes: C99 D63 D64 (search for similar items in EconPapers)
Pages: 18 pages
Date: 2005-06-08
New Economics Papers: this item is included in nep-evo, nep-exp and nep-lab
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Related works:
Journal Article: FAVOURING FRIENDS (2012)
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Persistent link: https://EconPapers.repec.org/RePEc:gra:wpaper:05/14

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