As the burgeoning management literature on human capital points out, when talent can walk, that freedom gives it huge market power.

ECONOMIST: Fear and management

In 2004 Edinburgh was designated the world's first UNESCO City of Literature, celebrating Edinburgh's status as a literary capital.

UNESCO: Creative Cities

The passage was originally written by the author, who penned the No 1 Ladies' Detective Agency series, as part of a campaign to promote the capital, the world's first Unesco City of Literature.

BBC: Author Alexander McCall Smith's words set in stone