布萊克-斯科爾斯模型的美妙之處在于它將期權(quán)定價(jià)問(wèn)題簡(jiǎn)化為估計(jì)幾個(gè)關(guān)鍵參數(shù)，尤其是波動(dòng)率。
Well, what the hell did you think I was?.
If the people cannot trust their government to do the job for which it exists - to protect them and to promote their common welfare - all else is lost.