LONDON, UNITED KINGDOM - DECEMBER 11: Chancellor of the Exchequer George Osborne speaks during a press conference to present the the concluding statement for the IMF 2015 Article IV consultation with the UK HM Treasury at the Treasury on December 11, 2015 in London, United Kingdom. The International Monetary Fund delivered its annual update on the UK economy today, during which its managing director Christine Lagarde praised the country's economic recovery and warned against leaving the EU.  (Photo by Stefan Rousseau - WPA Pool/Getty Images)