Organizational Behavior and Human Decision Processes
The genetic basis of entrepreneurship: Effects of gender and personality
Section snippets
Gender differences in the heritability of entrepreneurship
Gender differences in the prevalence of entrepreneurship have been studied for decades. Numerous studies show that there is a higher prevalence of entrepreneurship for men than that for women with similar backgrounds (e.g., Brush, 1992, Haber et al., 1987). Additionally, this gender difference tends to be robust across cultures and national boundaries. For example, among Israeli working women, approximately 5.1% are self-employed-entrepreneurs, compared to 15% of Israeli working men (Lerner,
The mediating role of extraversion and neuroticism
Meta-analytic studies have established that individual differences play a role in the tendencies of people to become entrepreneurs (e.g., Stewart and Roth, 2004, Zhao and Seibert, 2006). Various personality characteristics that have been shown to be related to entrepreneurship have also been linked to genetics. Thus, as White et al., 2006, White et al., 2007, Nicolaou and Shane, 2009 contend, it makes sense to speculate that one of the mechanisms through which genes influence entrepreneurship
Sample and procedures
The sample for the current study was drawn from the Swedish Twin Registry (STR) that was established in the late 1950s (for details see Lichtenstein et al., 2002, Pedersen et al., 2002). In 2006, twins in STR who were born in 1959–1985 completed a questionnaire on personality and work-related activities, including entrepreneurship. A total of 1285 pairs of identical (i.e., monozygotic or MZ) twins and 849 pairs of same-sex fraternal (i.e., dizygotic or DZ) twins provided complete data on
Results
Table 1 provides the comparison between MZ versus DZ twins on the variables used in this study. There were no significant differences in the prevalence of the three entrepreneurship indicators between MZ and DZ twins. However, MZ and DZ twins showed some differences with regards to their martial status (more DZ twins are married; χ2 = 13.24, p < .001), their age (DZ twins are older; t = −10.4, p < .001), and twin closeness (MZ twins are closer to their co-twins; t = 19.86, p < .001). These three variables
Discussion
Based on a large sample of MZ and same-sex DZ twins from the Swedish Twin Registry, we used quantitative genetic methods to examine the genetic influences on the propensity of these twins to become entrepreneurs. For both males and females, we estimated the genetic, shared-environmental, and non-shared-environmental factors that influence the propensity to become entrepreneurs. We found highly different heritability estimates for males versus females. Females show a high heritability and zero
Acknowledgment
The authors wish to acknowledge the Singapore Ministry of Education AcRF Tier 1 funding support (grant number R-317-000-069-112/133).
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2021, Journal of Business VenturingCitation Excerpt :Our empirical analysis relies on a novel approach in entrepreneurship, using different sibling pair types to assess the correlation between shared genetic content and sibling correlations (Björklund et al., 2005), yet the results are similar to those obtained by classical twin studies. For example, Nicolaou and Shane (2010) document substantial heritability of entrepreneurial entry and intentions for both men and women in Sweden, while Nicolaou et al. (2008) and Zhang et al. (2009) find similar results for women in the United Kingdom and Sweden, respectively. While our results confirm the expectation that shared genes – as the earliest source of family influences – are particularly relevant for entrepreneurship, the importance of ‘nature’ by no means denies the importance of ‘nurture’ (Lindquist et al., 2015).
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