理解布莱克-斯科尔斯模型的关键在于认识到它是基于对冲以消除风险的理念。
一个人就像一个分数,分子是他实际的样子,分母是他对自己的看法。分母越大,分数越小。
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
If I get married, I want to be very married.