Westminster politicians argue that Scottish independence would imperil its economy. On July 2nd Vince Cable, the business secretary, detailed all sorts of likely regulatory and tax headaches which, he says, would create a lot of uncertainty and cost jobs. Yet buried within the report is some research by Ernst & Young which points to another reason for Scottish success in job creation. In 2012, the accountants found, Scotland attracted 76 inward investment projects expected to create 4,867 jobs, 16.1% of the British total. Just 8% of Britons live in Scotland.