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首页> 外文期刊>International journal of theoretical and applied finance >MODELING AND PRICING PRECIPITATION DERIVATIVES UNDER WEATHER FORECASTS
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MODELING AND PRICING PRECIPITATION DERIVATIVES UNDER WEATHER FORECASTS

机译:天气预测下的建模和定价降水量导数

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摘要

We propose a pure jump precipitation model embedded in an enlarged filtration framework accounting for weather forecasts. Under different anticipative approaches, we define precipitation swap/futures prices and also introduce the notion of an "information premium". In contrast to some other models in the literature, our forward-looking swap price representations admit time-varying stochastic dynamics. In these setups, swap price processes under the physical and risk-neutral measure turn out to be indistinguishable. We also consider an extended multi-location model measuring precipitation in several locations. In order to price options on precipitation derivatives under weather forecasts modeled by enlarged filtrations, we develop customized approximation procedures involving complex power series expansions and wavelet transform techniques.
机译:我们提出了一个嵌入到扩大的过滤框架中的纯跳跃降水模型,该模型考虑了天气预报。在不同的预期方法下,我们定义了降水掉期/期货价格,并引入了“信息溢价”的概念。与文献中的其他一些模型相比,我们的前瞻性掉期价格表示法接受随时间变化的随机动力学。在这些设置中,在实物和风险中性指标下的掉期价格过程变得难以区分。我们还考虑了一个扩展的多位置模型,用于测量多个位置的降水。为了对通过扩大过滤建模的天气预报下的降水量衍生工具定价,我们开发了定制的近似程序,涉及复杂的幂级数展开和小波变换技术。

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