Until now, the firm has claimed that unethical behaviour is limited to the odd junior employee here and there.

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Mr Cabrera says he has anecdotal evidence of graduates who have challenged unethical behaviour successfully in their new jobs.

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Over 50 authors, including Mark Billingham, Lee Child, Jo Nesbo, Ian Rankin and Karin Slaughter, put their name to an open letter condemning unethical behaviour.

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The announcement comes less than one week after fellow FIFA executive committee member Vernon Manilal Fernando of Sri Lanka was banned for eight years for unethical behaviour.

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"I know the newsrooms, I know how cultures develop and I'm hugely confident that there is no improper or unethical behaviour in our newsrooms, " he told ABC last week.

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Southerners reply that social pressure is more effective than political pressure at influencing unethical behaviour, and that politicians ought to restrict themselves to law-making, where they will have more impact than they ever could as individual consumers.

ECONOMIST: Charlemagne

My second point would be to watch out for the times when you are tempted to use your children to justify "unethical" behaviour.

BBC: [an error occurred while processing this directive]

Climate change is a tough case because it covers two distinct forms of behaviour: legal v illegal (dumping toxic waste, killing whales) and ethical v unethical (not wasting food or energy).

ECONOMIST: Charlemagne