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Asset pricing implications of a New Keynesian model

机译:新凯恩斯主义模型对资产定价的影响

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We investigate the behavior of asset prices in a typical New Keynesian macro model. Using a second-order approximation, we examine bond and equity returns, the equity risk premium, and the behavior of the real and nominal term structure. As documented in the literature, our results suggest that introducing real rigidities to the model increases risk premia. Nevertheless we that find that, in a world dominated by productivity shocks, increasing nominal rigidities reduces risk premia. Such rigidities only enhance risk premia when economic dynamics are mainly driven by monetary policy shocks. The results imply that, unlike in endowment frameworks, matching asset pricing facts in macro models will require attention to the composition of shocks, not just the specification of investor preferences.
机译:我们在典型的新凯恩斯主义宏观模型中调查资产价格的行为。使用二阶近似,我们检查了债券和股权收益,股权风险溢价以及实际和名义期限结构的行为。如文献所记载,我们的结果表明将真实的刚性引入模型会增加风险溢价。尽管如此,我们发现,在一个以生产力冲击为主导的世界中,增加名义刚性可以减少风险溢价。当经济动力主要由货币政策冲击驱动时,这种僵化只会加剧风险溢价。结果表明,与捐赠框架不同,在宏观模型中匹配资产定价事实将需要关注冲击的构成,而不仅是投资者偏好的规范。

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