HomeBank of England interest rate could hit 4% or more, ex-policymakers warnFILE PHOTO: Posen, president of the Peterson Institute for International

FILE PHOTO: Posen, president of the Peterson Institute for International

FILE PHOTO: Adam Posen, president of the Peterson Institute for International Economics, attends the session 'Japan's Future Economy' during the annual meeting of the World Economic Forum (WEF) in Davos, Switzerland January 23, 2016. REUTERS/Ruben Sprich