At Last, Buffett’s Key to Success - New York Times:
"Patience and good decision-making help set women apart here.”
As a result, women’s portfolios on average gain 1.4 percent more than men’s, according to a study cited by Ms. DiCosmo. Single women’s portfolios do 2.3 percent better than single men’s. The study, “Boys Will Be Boys: Gender, Overconfidence and Common Stock Investment,” was published in 2001 by Brad M. Barber, a finance professor at the University of California, Davis, and Terrance Odean, now a professor of banking and finance at the Haas School of Business at the University of California, Berkeley (faculty.haas.berkeley.edu/odean/papers/gender/gender.html)."