In particular, he must move fast to correct three persistent failings of the company: lack of direction, low transparency and poor shareholder value.

ECONOMIST: The inside outsider | The

The lack of transparency and poor investor education around this issue has kept it out of the limelight, but it can cut into your earnings or deepen your losses.

FORBES: By Zack Miller

RateFinancials, a New York research outfit, dug into its financials in a report about to be released and found worrying signs, such as poor quality of earnings, lack of transparency and conflicts of interest.

FORBES

Azerbaijan also gets a poor rating in the corruption index compiled by Transparency International.

BBC: Ex-Soviet elite struggles with 'first lady' role

Mr Cameron added that he hoped to "galvanise collective international action" on tax evasion and wanted a renewed focus on "transparency, accountability and open government" around aid given to poor countries.

BBC: Prime minister David Cameron