Roubini : QE and other unconventional monetary policies do have important short-term benefits.

Nouriel Roubini : ....In short, policies are becoming more unconventional, not less, with little clarity about short-term effects, unintended consequences, and long-term impacts. To be sure, QE and other unconventional monetary policies do have important short-term benefits. But if such policies remain in place for too long, their side effects could be severe – and the longer-term costs very high. - in www.project-syndicate.org