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。
I think that's the best way to live: to be present in every moment.
I’m not going to change who I am or what I stand for just because it’s not popular with everyone.