`Two's Company, Three's a Group' The impact of group identity and group size on in-group favouritism

Donna Harris (), Benedikt Herrmann () and Andreas Kontoleon
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Benedikt Herrmann: CeDEx, School of Economics, University of Nottingham

No 2009-13, Discussion Papers from The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham

Abstract: In this study, we use an allocation experiment to study the effects of group identity and group size on in-group favouritism when the person's own payoff is not affected by her decision. In a triadic setting when subjects are asked to allocate a fixed amount of resource between two other anonymous individuals, the majority of the subjects choose to allocate equal amounts to both the in-group and the out-group members. Telling the subjects that they belong to the same `group' does not increase the amount al- located to the in-group member relative to the out-group member in a triadic setting. However, once the sizes of the in-group and the out-group are increased from one recipient to three (which we refer to as `the favour game'), we observe a sharp increase in in-group favouritism. Our results suggest that no special treatment is needed in a one-shot experiment to induce the distinction between the in-group and the out-group when groups consist of more than two group members.

Keywords: Favouritism; Group Identity; Group Behaviour; Group Size; Design of Laboratory Experiment (search for similar items in EconPapers)
JEL-codes: C92 D73 (search for similar items in EconPapers)
Date: 2009-07
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Citations: View citations in EconPapers (10)

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Working Paper: Two's Company, Three's a Group: The impact of group identity and group size on in-group favouritism (2009)
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Persistent link: https://EconPapers.repec.org/RePEc:not:notcdx:2009-13

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