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Digit ratio (2D:4D) and altruism: evidence from a large, multi-ethnic sample

Galizzi, Matteo M. and Nieboer, Jeroen (2015) Digit ratio (2D:4D) and altruism: evidence from a large, multi-ethnic sample. Frontiers in Behavioral Neuroscience, 9. p. 41. ISSN 1662-5153

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Identification Number: 10.3389/fnbeh.2015.00041

Abstract

We look at the links between the Digit Ratio - the ratio of the length of the index finger to the length of the ring finger – for both right and left hands, and giving in a Dictator Game. Unlike previous studies with exclusively Caucasian subjects, we recruited a large, ethnically diverse sample. Our main results are as follows. First, for Caucasian subjects we estimate a significant positive regression coefficient for the right hand digit ratio and a significant negative coefficient for its squared measure. These results replicate the findings of Brañas-Garza et al. (2013), who also observe an inverted U-shaped relationship for Caucasian subjects. Second, we are not able to find any significant association of the right hand digit ratio with giving in the Dictator Game for the other main ethnic groups in our sample. Third, we find no significant association between giving in the Dictator Game and the left hand digit ratio.

Item Type: Article
Official URL: http://www.frontiersin.org/Behavioral_Neuroscience
Additional Information: © 2015 Galizzi and Nieboer © CC BY 4.0
Divisions: Social Policy
Subjects: H Social Sciences > H Social Sciences (General)
JEL classification: C - Mathematical and Quantitative Methods > C9 - Design of Experiments > C91 - Laboratory, Individual Behavior
C - Mathematical and Quantitative Methods > C9 - Design of Experiments > C92 - Laboratory, Group Behavior
D - Microeconomics > D4 - Market Structure and Pricing > D44 - Auctions
D - Microeconomics > D8 - Information, Knowledge, and Uncertainty > D81 - Criteria for Decision-Making under Risk and Uncertainty
Sets: Departments > Social Policy
Collections > Economists Online
Research centres and groups > LSE Health and Social Care
Date Deposited: 18 Feb 2015 14:14
Last Modified: 20 Jun 2019 02:03
URI: http://eprints.lse.ac.uk/id/eprint/60982

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