It found that their lack of complex products like futures and derivatives limits the ability to spread risk.

VOA: special.2009.12.11

Anytime there's a risk that hits one person or one country the financial markets would spread it out over everybody and it gets very small.

如果有风险袭击一个人或者一个国家,金融市场就会将风险分摊到所有人身上,风险就变得微乎其微。

耶鲁公开课 - 金融市场课程节选