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Experimental and self-reported measures of risk taking and digit ratio (2D:4D): evidence from a large, systematic study

Brañas-Garza, Pablo and Galizzi, Matteo M. and Nieboer, Jeroen (2018) Experimental and self-reported measures of risk taking and digit ratio (2D:4D): evidence from a large, systematic study. International Economic Review, 59 (3). pp. 1131-1157. ISSN 0020-6598

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Identification Number: 10.1111/iere.12299

Abstract

Using a large (n=704) sample of laboratory subjects, we systematically investigate the links between the digit ratio - a biomarker for pre-natal testosterone exposure - and two measures of individual risk taking: (i) risk preferences over lotteries with real monetary incentives, and (ii) self-reported risk attitude. The digit ratio (also called 2D:4D) is the ratio of the length of the index finger to the length of the ring finger, and we consider both hands’ digit ratios. Previous studies have found that the digit ratio correlates with risk taking in some subject samples, but not others. In our sample, we find that both the right-hand and the left-hand digit ratio are significantly associated with risk preferences: subjects with lower digit ratios tend to choose riskier lotteries. Neither digit ratio, however, is associated with self-reported risk attitude.

Item Type: Article
Official URL: http://onlinelibrary.wiley.com/journal/10.1111/(IS...
Additional Information: © 2018 The Authors © CC BY 4.0
Divisions: Psychological and Behavioural Science
Social Policy
Subjects: H Social Sciences > HD Industries. Land use. Labor > HD61 Risk Management
Q Science > QA Mathematics
JEL classification: C - Mathematical and Quantitative Methods > C9 - Design of Experiments > C90 - General
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 > Psychological and Behavioural Science
Departments > Social Policy
Collections > Economists Online
Research centres and groups > LSE Health and Social Care
Date Deposited: 09 Jun 2017 12:47
Last Modified: 23 Aug 2018 08:54
Funders: Economic and Social Research Council
URI: http://eprints.lse.ac.uk/id/eprint/80747

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