The rational expectations hypothesis does not imply that people forecast the future perfectly; it implies that they do not make systematic errors.
理性预期假说并不意味着人们能完美预测未来;它意味着人们不会犯系统性错误。
太阳是宇宙的灵魂,地球是它的躯体。
The speed of learning is now the only sustainable competitive advantage in business.
最激进的艺术往往是最微妙的。
量子引力问题不仅是物理学的问题,也是科学哲学的问题。