The new industries are brainy industries and so-called knowledge workers tend to like to be near other people who are the same. Think of the City of Hollywood. People cluster. This means you have winning regions, such as London and Cambridge, and losing regions. The people who want to be top lawyers in Sunderland are hoovered up by London.

This included examining the impact of the M25 on the town of Ashtead Surrey where Davis grew up. Background
Davis grew up in Ashtead Surrey. He says that one of the best things about presenting on the radio is that "you can look things up on Wikipedia while on air".

In October 2001 Davis took over from Peter Jay as the BBC's economics editor. Evan Davis is also the presenter for the BBC venture-capitalist programme Dragons' Den as well as The Bottom Line a business conversation show also on BBC Radio 4.