The relative weight given to the output gap is denoted by the Greek letter lambda.

ECONOMIST: The message is the medium-term

Three years ago, he co-signed a letter to the then president, Bill Clinton, calling on him to throw his weight wholeheartedly into an effort to topple Saddam Hussein.

CENTERFORSECURITYPOLICY: Center For Security Policy

To add weight to their demands, they have now got nurses and healthcare support workers themselves to sign a letter calling for change.

BBC: Healthcare assistants: Mandatory regulation 'needed'