Brexit would cost Britons a month's salary by 2020 - OECD

By William Schomberg LONDON (Reuters) - Leaving the European Union would cost the average working Briton the equivalent of a month's salary by 2020, the Organisation for Economic Co-operation and Development said on Wednesday, joining a list of economic bodies warning against an exit. Angel Gurria, secretary general of the organisation which groups many of the world's leading economies, said Britain would have less access to the bloc's single market, and "Out" campaigners were indulging in wishf