A note on the large homogeneous portfolio approximation with the Student-t copula

被引:40
作者
Schloegl, L [1 ]
O'Kane, D [1 ]
机构
[1] Lehman Brothers Int Europe, Fixed Income Quantitat Res, London E14 5LE, England
关键词
large portfolios; student-t distribution; copula functions;
D O I
10.1007/s00780-004-0142-7
中图分类号
F8 [财政、金融];
学科分类号
0202 ;
摘要
We extend the Large Homogeneous Portfolio (LHP) approximation to the case of the Student-t copula, and provide analytic formulae for the density and the cdf of the portfolio loss distribution. We compare the Value-at-Risk implied by the Student-t copula to that obtained using the Gaussian as well as two prominent members of the Archimedean family, namely the Clayton and the Gumbel copulae.
引用
收藏
页码:577 / 584
页数:8
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