Christine Lagarde of the IMF believes women produce a healthier balance of risk in business

She says " I have joked that a 'male' culture of reckless financial risk taking was at the heart of the global crisis. Studies back this up. Men trade more often - some say 45 % more often - and risk taking can be mapped to trading room profits and losses. Mixing the genders can help. Companies with more women on their boards have higher sales, higher returns on equity, and higher profitability"