Are women graduates jacquelines-of-all-trades? Challenging Lazear’s view on entrepreneurship
研究挑战拉齐尔创业理论，认为女性创业动机并非最大化终身收入，但该理论可扩展至女性。基于1384名德国女性毕业生样本，发现专业培训、均衡行业经验和创业自我效能增加自雇概率。
This study challenges the basic reasoning behind Lazear’s theory on entrepreneurship (2005). Based on the key motive of maximizing one’s lifetime income, Lazear posits that individuals with a balanced set of skills should have a higher probability of being self-employed. His “Jack-of-all-trades” hypothesis presumes that entrepreneurs need sufficient knowledge in a variety of areas to succeed, while paid employees benefit from being specialists in a certain area demanded by the labor market. Because most women-led businesses are neither based on the motive of making money nor are they growth oriented, we argue that maximizing their lifetime income is not the main motivation of many women to start a business. However, we argue that Lazear’s theory can be extended to motivations that are mostly stated for women entrepreneurs as well. We apply it to a specific representative sample of 1384 women graduates in Germany and test our hypothesis with logit regression. A dichotomized measure indicating whether a women graduate was self-employed (n = 706) or not (n = 678) served as the dependent variable. Our results widely confirm Lazear’s assumption for women graduates who run relatively small businesses in terms of sales and employment: professional training, balanced industry experience, and balanced entrepreneurship-based self-efficacy increase the probability of being self-employed. Solo self-employed tend to have balanced industry experience more often than those being in a team or having employees. Lazear’s theory has male as the norm, and as such, does not readily apply to the case of women—but could and should be extended to women’s specifics.