When, say, two types of asset were assumed to be uncorrelated, investors felt able to hold the same capital as a cushion against losses on both, because they would not lose on both at the same time.

• 比方说，当假定两种类型的资产是非相关的，投资者觉得可以用同一份资本作为两种资产损失的安全余量，因为他们不会同时亏损。