衡量巴西的长期风险

Caio Almeida, Diego Brandão
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引用次数: 1

摘要

假设巴西经济遵循长期风险模型,我们研究了巴西风险价格、风险敞口和预期市场回报的时间结构。该模型建立在一个禀赋经济中,其中总消费和股利增长包含可预测的成分,代表代理人具有Epstein-Zin递归偏好与CES规范。我们的研究表明,巴西的总消费具有足够的可预测性,可以产生与爱泼斯坦-锌偏好相关的风险溢价,超过由电力公用事业引起的传统补偿。此外,风险补偿在短期和长期都以永久性冲击为主,因为Epstein-Zin偏好减轻了临时冲击风险的价格。
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Measuring Long Run Risks for Brazil
We study the temporal structure of risk prices, risk exposures and expected market returns for Brazil assuming the economy follows a long run risks model. The model consists on an endowment economy where aggregate consumption and dividend growth contain predictable components, and a representative agent has Epstein-Zin recursive preferences with CES specification. We show that aggregate consumption in Brazil is sufficiently predictable to generate risk premia associated with Epstein-Zin preferences in excess of traditional compensations induced by power utility. Moreover, risk compensation is dominated by permanent shocks both in the short and long run, as Epstein-Zin preferences mitigate the price of temporary shocks' risk.
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