I don't like pubs http://cliphunter.in.net/ www.cliphunter  The absence of concrete guidance as to the goal of assetpurchases, which has been vaguely defined as aimed towardsubstantial improvement in the outlook for the labor market,neutralizes their impact and complicates an eventual exit,according to the paper's authors, Arvind Krishnamurthy ofNorthwestern University and Annette Vissing-Jorgensen ofUniversity of California, Berkeley.