Derivatives also create a daisy-chain risk that is akin to the risk run by insurers or reinsurers that lay off much of their business with others. In both cases, huge receivables from many counterparties tend to build up over time. (At Gen Re Securities, we still have $6.5 billion of receivables, though we’ve been in a liquidation mode for nearly a year.) A participant may see himself as prudent, believing his large credit exposures to be diversified and therefore not dangerous. Under certain circumstances, though, an exogenous event that causes the receivable from Company A to go bad will also affect those from Companies B through Z. History teaches us that a crisis often causes problems to correlate in a manner undreamed of in more tranquil times.
衍生性金融商品交易也有可能造成骨牌效应的风险,这是因为许多保险业及再保业者习惯将风险分散给其它保险公司,在这类的情况下,巨额的应收款项将随着交易对象的日趋复杂而持续累积,(以通用再保证券来说,虽然已经经过将近一年的清算期,目前仍有高达65亿美元的应收款项流通在外),交易的一方或许对于自己相当有信心,认为其钜额的信用风险已经经过适度的分散,因此不会发生任何危险,只有等到某种特殊状况下,一个外部事件导致A公司的应收帐款发生问题,从而影响B公司,乃至于一路到Z公司,历史教训告诉我们危机的发生往往是我们在太平盛世时所梦想不到一连串问题串连所导致的。