QE is a 'zero-sum game': Economist | CNBC International

Richard Koo, chief economist at the Nomura Research Institute, told CNBC that the benefits of QE have been overstated and it is not " a global solution." Subscribe to CNBC International: http://bit.ly/1eiWsDq Like us on CNBC's Facebook page https://www.facebook.com/cnbc Follow us on CNBC's Twitter accounts https://twitter.com/CNBCWorld https://twitter.com/CNBC