The capital asset pricing model was not intended to be a positive theory of equilibrium in capital markets, but rather a normative theory of how prices should behave if investors acted in a certain way.
资本资产定价模型并非旨在成为资本市场的实证均衡理论,而是一种规范性理论,描述如果投资者以某种方式行事,价格应如何表现。
以德行来排列位次,按官职来处理政事,按照劳绩来决定赏赐,衡量功勋二分给俸禄。
To be a diplomat is to be a professional liar, but the best diplomats are those who lie the least.
The only limits that exist are the ones you place on yourself.