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Pricing Ratchet Equity-Indexed Annuities with Early Surrender Risk in a CIR++ Model
被引:3
|作者:
Wei, Xiao
[1
]
Gaudenzi, Marcellino
[2
]
Zanette, Antonino
[2
]
机构:
[1] Cent Univ Finance & Econ, China Inst Actuarial Sci, 39 South Coll Rd, Beijing 100081, Peoples R China
[2] Univ Udine, Dipartimento Sci Econ & Statist, Udine, Italy
关键词:
D O I:
10.1080/10920277.2013.826126
中图分类号:
F8 [财政、金融];
学科分类号:
0202 ;
摘要:
In this article we propose a lattice algorithm for pricing simple Ratchet equity-indexed annuities (EIAs) with early surrender risk and global minimum contract value when the asset value depends on the CIR++ stochastic interest rates. In addition we present an asymptotic expansion technique that permits us to obtain a first-order approximation formula for the price of simple Ratchet EIAs without early surrender risk and without a global minimum contract value. Numerical comparisons show the reliability of the proposed methods.
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页码:229 / 252
页数:24
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