科学的进步不仅仅依赖于个人的智慧,更需要集体的合作和努力。
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。
A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.
We don't receive wisdom; we must discover it for ourselves after a journey that no one can take for us or spare us.
短缺乃是一种符号,它意味着价格被人为地保持在低于供求双方可以自由行事时的水平。