…sons crowd out human capital acquisition by daughters. If all daughters of self-employed men experienced the “sisters-only” level of transmission, the overall gender gap in self-employment would be reduced by nearly 20 percent.
That is from Elizabeth Mishkin, on the job market from Harvard.
While we are on related topics:
I establish that women in U.S. counties with heavier casualties were more active in starting new businesses after the war [WWII] ended and this difference persists to this day. I also find that single women were more likely to start new businesses than war widows. Evidence in favor of the marriage market channel suggests that reducing opportunity cost is more effective in encouraging women to start new businesses than merely providing financial subsidies.
That is from Patrick Luo, also on the job market from Harvard.