理解布莱克-斯科尔斯模型的关键在于认识到它是基于风险中性世界的概念,在这个世界中投资者对风险漠不关心。
A successful leader listens more than they speak and acts with integrity above all else.
君子无所欲念,但气量宏大涵盖一切。而小人需求多,而志气狭隘。
The idea is more important than the object.