The era of floating exchange rates that followed the end of the gold standard required the development of products that could protect international trade from price volatility. This opened the way to options, selling and buying on credit, and derivatives of all kinds.
而自那时起，国际金融体系就变得极不稳定。金本位终结之后的浮动汇率时代需要开发出一些可以保护国际贸易不受价格波动影响的产品。这就为期权、信贷沽售和各种各样金融衍生产品的诞生铺平了道路。