Noreena Hertz

People are looking for certainty. The more complex the world becomes, the more people look for people to give them certainty and tell them what to do. During the past few years of actively thinking about this, there is one thing that I have accepted: certainty is not out there. There is not one strategy to follow, and that's OK.

What about those who help growth indirectly, those who stay at home and look after others - mothers, carers of elderly parents or sick relatives who save the state millions of pounds annually. What is their worth? How is their value to be determined?

My retirement, back in 1976, began as a one-year boycott to challenge the media on that question. I refused to return until the media, and radio stations in particular, got a hold on identifiably Canadian songs.