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2D:4D and Self-Employment: A Preregistered Replication Study in a Large General Population Sample

Referierte Aufsätze Web of Science

Frank M. Fossen, Levent Neyse, Magnus Johannesson, Anna Dreber

In: Entrepreneurship Theory and Practice 46 (2022), 1, S. 21–43


The 2D: 4D digit ratio, the ratio of the length of the second finger to the length of the fourth finger, is often considered a proxy for testosterone exposure in utero. A recent study reported, among other things, an association between the left-hand 2D:4D and self-employment in a sample of 974 adults. In this preregistered study, we replicate the 2D:4D results on a sample of more than 2100 adults from the German Socioeconomic Panel-Innovation Sample (SOEP-IS). We find no statistically significant associations between 2D:4D and self-employment

Levent Neyse

Research Associate in the German Socio-Economic Panel study Department

Topics: Firms

Keywords: self-employment, entrepreneurship, hormones, testosterone, digit ratio

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