Forget women on boards and focus on women in leadership: that is the message from a major study of more than 21,000 public companies in 91 countries that found increasing the number of women in top management positions notably boosts profitability.

More information: http://www.ft.com/intl/cms/s/0/a3267dfe-cc1a-11e5-be0b-b7ece4e953a0.html#axzz42nfgFTwq