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  • 學位論文

一般化Heath-Jarrow-Morton利率模型對利率衍生性金融商品定價

Using General Heath-Jarrow-Morton Model to Price Interest Rate Derivatives

指導教授 : 李賢源
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摘要


本文提供了一個靈活的多因子隨機波動度Heath–Jarrow–Morton模型,此模型讓遠期利率與其波動度具有相關性,且有N個隨機因子會影響利率結構,另有額外N個隨機因子會只會影響波動度(及利率衍生性商品)。此模型改進了Trolle and Schwartz (2009)的模型,讓即期利率(instantaneous spot rate) 也會影響利率波動度。此模型能夠轉換成有限狀態變數(finite number of state variables)的馬可夫表現(Markov representation)系統,故能輕易地使用蒙地卡羅模擬法來評價各種利率衍生性產品。本文也應證了此模型符合馬可夫性質。在此應用了有限狀態變數(finite number of state variables)導出風險中立下的瞬間遠期利率f(t,T) 、零息債券價格。此動態過程符合Duffie, Pan and Singleton (2000)(簡稱DPS)提出的Affine Jump-Diffusions的條件,能獲得債券選擇權評價公式的解析解。

參考文獻


Amin, K., and Morton, A.(1994),“Implied Volatility Functions in Arbitrage-Free Term Structure Models,”Journal of Financial Economics 35, 141-80.
Andersen, T. G., and Lund, J.(1997),“Estimating Continuous-Time Stochastic Volatility Models of the Short-Term Interest Rate,”Journal of Econometrics 77, 343-77.
Bahr, R., and Chiarella, C.(1995),“The Estimation of the Heath-Jarrow-Morton Model by Use of Kalman Filtering Technique,”Working Paper No. 54, School of Finance and Economics, University of Technology, Sydney.
Bahr, R., and Chiarella, C.(1997),“Transformation of Heath-Jarrow-Morton Models to Markovian Systems,”European Journal of Finance 3, 1-26.
Bahr, R., Chiarella, C., El-Hassan, N., and Zheng, X.(1999),“Reduction of Forward Rate Dependent HJM Models to Markovian Form: Pricing European Bond Options,”Working Paper, School of Finance and Economics, University of Technology Sydney.

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