明同學(xué)
2020-10-15 11:30Fat-taile asset return distributions are most likely the result of time-varying: 老師,這題答案是volatility of the conditional distribution還是volatility of the unconditional distribution?
所屬:FRM Part I > Valuation and Risk Models 視頻位置 相關(guān)試題
來源: 視頻位置 相關(guān)試題
1個(gè)回答
Cindy助教
2020-10-15 13:24
該回答已被題主采納
同學(xué)你好,應(yīng)該是Fat-taile asset return distributions are most likely the result of time-varying:volatility of the unconditional distribution
unconditional distribution這種建模方式是假定波動(dòng)率恒定,實(shí)際上波動(dòng)率是在變化的,我們最害怕的就是波動(dòng)率增大的情況,但是這種方法假定波動(dòng)率是不變的,所以這種方法不會(huì)考慮到極端情況,極端情況指的就是肥尾,
