It prices risky assets in the real world. 资本资产定价模型是在真实世界中给风险资产定价。
A long-fermenting issue is how far "fair-value" accounting, which uses up-to-the-minute market information to price assets, should be pushed in banking. 一个长期争议的话题就是在银行业应当在何种程度上采用以实时市场信息为资产定价的公允价值会计。