While it is far from clear that they will, it is a possibility. Psychology need only change enough to bring about a drop in consumption or investment growth of a percentage point or so of world GDP, and market repercussions can do the rest.
这种心理上的变化是否会大到引起衰退呢？尽管还远不明朗，但是这是一种可能。心理只需要足够的改变来引起消费或者投资增长降低世界GDP的一个百分点，而市场反应会完成这一过程。