Plummeting bond yields are enabling some cash-strapped governments to reduce their deficits and potentially ease austerity measures. Spain is the trend's latest beneficiary: It sold a three-year bond with a negative yield for the first time. That is a balm as the Spanish government is sparring with the European Union over missing its deficit targets. Société Générale estimates that about 40% of the reduction in budget deficits by eurozone governments between 2012 and 2015 was due to cheaper borrowing costs. "For many countries it's helped them to have either less austerity or to achieve their targets more eas ... (full story)