一直以来,中央银行家们在后危机时代所面临的挑战都是显而易见的。他们必须在短期通缩和长期消费者物价指数上涨风险之间进行抉择。但最近一个新的担忧渐起:从石油价格到亚洲房价,宽松的货币政策环境使各种资产都处在可怕的泡沫中,这种泡沫很可能会危及全球复苏。 All along, the challenges facing central bankers in the post-crisis era are obvious. They must make a choice between the risks of short-term deflation and long-term consumer price inflation. But a new fears have come a long way: From oil prices to Asian housing prices, a relaxed monetary policy environment puts assets in a frightening bubble that is likely to jeopardize the global recovery.