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。
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
贝尔不等式的实验违反表明,自然界无法用任何局域实在论理论来描述。
I don't care about being famous. I just want to make music that people can relate to.