![](https://www.cer.eu/sites/default/files/styles/spotlight/public/cost_of_brexit_sl_66.jpg?itok=xqE3P3dx)
Brexit vote hits leave areas the hardest
John Springford, deputy director of the Centre for European Reform, which cancelled publication of a similar national estimate of the cost of Brexit, said that the technique would still be valuable for assessing the relative performance of different areas. “Even if the magnitudes are questionable,” he said, “if you are satisfied the comparators are reasonable, it is as good a way as any of getting a sense of the Brexit effect”.