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Estimating the elasticity of intertemporal substitution taking into account the precautionary savings motive

机译:考虑到预防性储蓄动机,估算跨期替代的弹性

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This paper estimates the elasticity of intertemporal substitution for U.S. aggregate time series data, taking into account the precautionary savings motive. By making use of a recursive utility function, we estimate an Euler equation, via GMM. This procedure leads consumption growth rate to depend on asset returns, and on a time-varying variance, which captures the precautionary motive. When significant, the elasticity of intertemporal substitution estimates ranges from 0.4 to 1.8, which are higher than most of the results found in the literature. Furthermore, the evidence suggests that consumers react to risk; however, the contribution of precautionary motive to consumption growth seems to be limited. (C) 2015 Elsevier Inc. All rights reserved.
机译:考虑到预防性储蓄动机,本文估算了美国总体时间序列数据的跨期替代弹性。通过使用递归效用函数,我们通过GMM估计了Euler方程。此过程使消费增长率取决于资产收益以及随时间变化的方差,该方差反映了预防动机。当重要时,跨期替代估计的弹性范围为0.4到1.8,高于文献中的大多数结果。此外,有证据表明,消费者对风险有反应;然而,预防动机对消费增长的贡献似乎是有限的。 (C)2015 Elsevier Inc.保留所有权利。

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