European banks would leave London “in very short order” if Britain voted to exit the European Union, a senior Goldman Sachs executive said in a newspaper interview published on Monday. Michael Sherwood, a vice-chairman at the bank, said the prospect of a British withdrawal was a real worry given Prime Minister David Cameron’s plans to hold a referendum on the subject if re-elected in 2015. … Goldman’s Sherwood predicted European banks would quickly relocate if Britain did sever its EU ties. “Forget what we would do. Every European firm would be gone in very short order,” he was quoted as...