The decision to close the News of the World in the UK because of the fallout from the phone hacking scandal shows the importance of ethical behavior and public credibility for media firms. The paper had been hacking the private communications of celebrities, politicians, crime victims, and even relatives of soldiers killed in Afghanistan and then spent four years trying to cover it up by paying hush money and—according to some reports—bribing police officers to ignore its crimes. The paper, owned by Rupert Murdoch’s News Corp., was Britain’s largest selling Sunday newspaper until it spectacularly unraveled in recent weeks. Continuing revelations of illicit activities and the announcement of Parliamentary and police investigations led advertisers including Ford, Sainsbury, Lloyds Banking Group, Virgin Media, Dixons, and Vauxhall to pull their advertising. Perhaps it was embarrassment—but it was more likely the loss of revenue, the loss of almost $3 billion in market value for ...