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Jump-diffusion international asset allocation

机译:跳扩散国际资产配置

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We examine international asset allocation with jump-diffusion assets in the presence of risky deviations of exchanges rates from purchasing power parity when investors consume both traded and nontraded goods. We show that adding new jump risks to existing diffusion assets does not alter investors' original optimal portfolios of diffusion assets, as long as diffusion-risk premia remain unchanged. We also show that hedge portfolios against purchasing power parity deviations are integral parts of optimal portfolios for investors from different countries, and they can be constructed by using foreign and domestic inflation-indexed bonds. Moreover, country-specific demand for risky assets can arise from nontraded-good-specific inflation-rate-differential risks.
机译:当投资者同时消费贸易商品和非贸易商品时,在汇率与购买力平价存在风险偏差的情况下,我们研究了具有跳跃扩散资产的国际资产分配。我们表明,只要扩散风险溢价保持不变,就可以向现有扩散资产添加新的跳增风险不会改变投资者最初的扩散资产最佳投资组合。我们还表明,针对购买力平价偏差的对冲投资组合是针对来自不同国家的投资者的最优投资组合的组成部分,可以通过使用国内外通胀指数债券来构建它们。此外,特定国家/地区对风险资产的需求可能来自非特定于贸易商品的通货膨胀率/差异风险。

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