Moreover, the extreme weakening and then tightening of credit standards seems particularly prominent only in the US, while the housing boom-bust cycle is prevalent throughout much of the world.
而且，虽然房地产的繁荣－萧条周期在世界的大部分地区都很普遍，但是，信贷标准极度放松然后收紧的现象似乎只有在美国特别突出。