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The digit ratio (2D:4D) and economic preferences: no robust associations in a sample of 330 women

Elle Parslow, Eva Ranehill, Niklas Zethraeus, Liselott Blomberg, Bo Schoultz, Angelica Lindén Hirschberg, Magnus Johannesson () and Anna Dreber ()
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Elle Parslow: Stockholm School of Economics
Eva Ranehill: University of Gothenburg
Niklas Zethraeus: Karolinska Institutet
Liselott Blomberg: Karolinska Institutet
Bo Schoultz: Karolinska Institutet
Angelica Lindén Hirschberg: Karolinska Institutet

Journal of the Economic Science Association, 2019, vol. 5, issue 2, No 2, 149-169

Abstract: Abstract Many studies report on the association between 2D:4D, a putative marker for prenatal testosterone exposure, and economic preferences. However, most of these studies have limited sample sizes and test multiple hypotheses (without preregistration). In this study we mainly replicate the common specifications found in the literature for the association between the 2D:4D ratio and risk taking, the willingness to compete, and dictator game giving separately. In a sample of 330 women we find no robust associations between any of these economic preferences and 2D:4D. We find no evidence of a statistically significant relation for 16 of the 18 total regressions we run. The two regression specifications which are statistically significant have not previously been reported and the associations are not in the expected direction, and therefore they are unlikely to represent a real effect.

Keywords: 2D:4D; Economic preferences; Experiment; Testosterone (search for similar items in EconPapers)
JEL-codes: C91 D03 (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s40881-019-00076-y

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