I do not have time to go into these in great detail, but here is a collection of articles that I found very interesting.
Guru's Can't Actually Predict the Market ( Rick Ferri).
"It only took 2 years and about 200 predictions before the accuracy
rating fell below 50 percent in early 2000. The cumulative accuracy has
stayed below 50 percent ever since. By 2008, CXO had collected and
graded more than 5,000 predictions and the rating stabilized at about 48
Examining Benjamin Graham's Record: Skill or Luck? (Greenbackd)
Returns at Hedge Funds Run by Women Beat the Industry (Dealbook).
"An index from the professional services firm Rothstein Kass showed that
female hedge fund managers produced a return of 8.95 percent through the
third quarter of 2012. By contrast, the HFRX Global Hedge Fund Index,
released by Hedge Fund Research, logged a 2.69 percent net return
"Female financiers can have particular advantages over their male
counterparts, including being more risk-averse and better able to avoid
volatility, the report says. The Rothstein Kass hedge fund index, based
on 67 hedge funds with female owners or managers, may be a case in