THE SHARPE RATIO AND PREFERENCES : A PARAMETRIC APPROACH

THE SHARPE RATIO AND PREFERENCES : A PARAMETRIC APPROACH
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夏普比率和偏好:参数方法

DOI:
10.1017/s1365100501026025
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发表时间:
2000
期刊:
影响因子:
--
通讯作者:
H. Uhlig
H. Uhlig
中科院分区:
--
文献类型:
--
作者:
H. Uhlig

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我们使用对数正态框架来检验偏好对风险市场价格的影响,即夏普比率。在我们的框架中,夏普比率可以直接根据随机贴现因子对消费创新的弹性以及消费创新的波动性来计算。这可以被理解为计算汉森-贾甘纳森波动率界限的分析捷径,因此为理论家寻找能够解释资产定价事实的模型提供了一个方便的工具。为了说明我们方法的有用性,我们研究了几种流行的偏好规范,例如 CRRA、各种类型的习惯形成以及 Epstein-Zin-Weil 的递归偏好。此外,我们还展示了如何研究具有特殊消费冲击的模型。
We use a log-normal framework to examine the effect of preferences on the market price for risk, that is, the Sharpe ratio. In our framework, the Sharpe ratio can be calculated directly from the elasticity of the stochastic discount factor with respect to consumption innovations as well as the volatility of consumption innovations. This can be understood as an analytical shortcut to the calculation of the Hansen–Jagannathan volatility bounds, and therefore provides a convenient tool for theorists searching for models capable of explaining asset-pricing facts. To illustrate the usefulness of our approach, we examine several popular preference specifications, such as CRRA, various types of habit formation, and the recursive preferences of Epstein–Zin–Weil. Furthermore, we show how the models with idiosyncratic consumption shocks can be studied.
市场参与不完全、劳动力收入冲击与资产价格
DOI: --
发表时间: 2007
期刊: SSRN working paper series 1015769
影响因子: --
作者:
Hiroaki OHNO;Hiroaki OHNO;大野弘明;Hiroaki OHNO
通讯作者: Hiroaki OHNO