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Widespread attention is being paid to the alleged rise of narcissism in people in general and business leaders in particular. Surprisingly, hardly any studies have focused on the link between narcissism and entrepreneurship. Using self-reported data from 4798 respondents from three countries, we explore the associations between trait narcissism and six different entrepreneurial aspects that represent the entire entrepreneurial process. Overall, our findings suggest that a positive link exists between narcissism and entrepreneurship that is particularly salient in the early stage of the entrepreneurial process (e.g., entrepreneurial intention) and in the individual aspects of entrepreneurship (e.g., entrepreneurial orientation, well-being of the entrepreneur). Our additional analyses reveal that the adaptive aspect of narcissism (i.e., leadership/authority) is most consistently linked to entrepreneurship and that the links between narcissism and entrepreneurship are predominately linear. Finally, our findings are largely robust when different sets of controls are added.

There is a small body of literature linking attention-deficit hyperactivity disorder (ADHD) and its symptoms to entrepreneurial manifestations. Some studies take a subclinical perspective by studying the presence of symptoms, while other studies take a clinical perspective by studying the formal diagnosis of ADHD. The entrepreneurial manifestations examined range from entrepreneurial intention to the choice to become self-employed and from entrepreneurial orientation (EO) to entrepreneurial success. Despite its prominence in the entrepreneurship literature, to date only one study tested for a link with EO. The present study aims to replicate the relationship between ADHD symptoms and EO using a large data set of French small business owners. We do so by discriminating between the two dimensions of ADHD, namely attention-deficit and hyperactivity, as well as the three dimensions of EO, namely innovativeness, proactiveness, and risk-taking. We do not find a link between ADHD and EO, although we do find a positive link between ADHD and the risk-taking subdimension of EO. Hyperactivity symptoms are positively related to EO, which is mainly driven by the subdimensions proactiveness and risk-taking. We do not find a link between attention-deficit symptoms and EO, though there is a negative link between attention-deficit and proactiveness.

Overconfidence is one of the alleged drivers for market entry. However, establishing its effect is challenging and much of the existing entrepreneurship literature confusingly conflates overconfidence with optimism. In the present study, we use validated scales to analyze the relationship between overconfidence and two important aspects of entrepreneurship, while explicitly controlling for optimism. Specifically, we study the role of overconfidence in developing intentions about entering entrepreneurship as well as how overconfidence relates to entrepreneurial orientation. Our findings show that overconfidence is related to intended market entry but not to the market position (entrepreneurial orientation) of the business.

The present article identifies a societal and scholarly neglect for the field of small business ownership and health. We address health capital and its spillover effects and briefly outline a research program discriminating between pathogenic (negative for health) and salutogenic (positive for health) effects for a small business owner’s working life.