Experimental and Self‐Reported Measures of Risk Taking and Digit Ratio (2d:4d): Evidence from a Large, Systematic Study

27 Pages Posted: 20 Aug 2018

See all articles by Pablo Brañas‐Garza

Pablo Brañas‐Garza

Middlesex University

Matteo M Galizzi

London School of Economics & Political Science (LSE)

Jeroen Nieboer

London School of Economics & Political Science (LSE) - London School of Economics; Financial Conduct Authority

Date Written: August 2018

Abstract

We systematically investigate the links between the digit ratio (2D:4D)—a biomarker for prenatal testosterone exposure—and two measures of individual risk taking: (i) risk preferences (RP) over lotteries with real monetary incentives and (ii) self‐reported risk attitude (RA). We find that both the right‐hand and the left‐hand digit ratio are significantly associated with RP: Subjects with lower digit ratios tend to choose riskier lotteries. Neither digit ratio, however, is associated with self‐reported RA.

Suggested Citation

Brañas‐Garza, Pablo and Galizzi, Matteo M and Nieboer, Jeroen, Experimental and Self‐Reported Measures of Risk Taking and Digit Ratio (2d:4d): Evidence from a Large, Systematic Study (August 2018). International Economic Review, Vol. 59, Issue 3, pp. 1131-1157, 2018, Available at SSRN: https://ssrn.com/abstract=3233198 or http://dx.doi.org/10.1111/iere.12299

Matteo M Galizzi

London School of Economics & Political Science (LSE) ( email )

Houghton Street
London, WC2A 2AE
United Kingdom

Jeroen Nieboer

London School of Economics & Political Science (LSE) - London School of Economics ( email )

United Kingdom

Financial Conduct Authority ( email )

25 The North Colonnade
Canary Wharf
London, E14 5HS
United Kingdom

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