Robustness of the Hobson-Rogers Model with Respect to the Offset Function

Robustness of the Hobson-Rogers Model with Respect to the Offset Function
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Hobson-Rogers 模型关于偏移函数的鲁棒性

DOI:
10.1007/978-3-7643-8458-6_26
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发表时间:
2007
期刊:
Computing in Economics and Finance
影响因子:
--
通讯作者:
Tiziano Vargiolu
Tiziano Vargiolu
中科院分区:
--
文献类型:
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作者:
V. Hallulli;Tiziano Vargiolu

文献摘要

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在本文中,我们分析了Hobson-Rogers模型相对于偏移函数的鲁棒性,偏移函数依赖于风险资产的整个过去,因此不是完全可观察的。我们证明,如果偏移函数是平稳过程的实现,那么衍生资产定价的误差相对于观察窗口呈指数递减。我们给出了波动性的充分条件以表征不变量密度,并给出了三个例子。
In this paper we analyse the robustness of the Hobson-Rogers model with respect to the offset function, which depends on the whole past of the risky asset and is thus not fully observable. We prove that, if the offset function is the realisation of a stationary process, then the error in pricing a derivative asset decreases exponentially with respect to the observation window. We present sufficient conditions on the volatility in order to characterise the invariant density and three examples.