美国大豆 (Soybeans) 加自选

沃什：新任美联储主席希望重复格林斯潘忽视生产率繁荣的伎俩。传奇的央行行长艾伦·格林斯潘昨天去世，享年100岁。作为一名经济学家，他被四位不同的美国总统提名了至少五次，在世纪之交，他在美联储掌舵了20年。

Warsh: the New Fed Chief Would Like to Repeat Greenspan's Trick of Ignoring a Productivity Boom.At the remarkable age of one hundred, the legendary central banker Alan Greenspan passed away yesterday. An economist who was nominated no fewer than five times by four different U.S. presidents, he spent twenty years at the helm of the Federal Reserve around the turn of the century.