Peter Sutherland, chairman of both Goldman Sachs International and BP, joined those voicing concern. “The US economy is in a mess,” he told TV3, an Irish TV channel, on Sunday. “There is a whole big issue...which has not fully played out in regard to providing credit and liquidity to institutions, so I think it is a dangerous period for the world. I think we are going to go through next year, certainly the first half of next year, with considerable traumas.”