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Price uncertainty and consumer welfare in an intertemporal setting

机译:跨时期的价格不确定性和消费者福利

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摘要

In this paper we examine how increases in intertemporal price uncertainty affect the welfare of a consumer. In the preference structure of the consumer the coefficient of relative risk aversion and the elasticity of intertemporal substitution (EIS) are parametrically independent. We find that under some circumstances, including configurations where parameter values are consistent with much of the empirical literature, for each given degree of risk aversion an increase in price uncertainty reduces consumer welfare if the EIS is lower than a corresponding threshold value. We also find that when saving rates are sensitive to the EIS then there are important counterexamples to this intuitive case.
机译:在本文中,我们研究了跨期价格不确定性的增加如何影响消费者的福利。在消费者的偏好结构中,相对风险规避系数和跨期替代弹性(EIS)在参数上是独立的。我们发现,在某些情况下,包括参数值与许多经验文献一致的配置,对于每个给定的风险规避程度,如果EIS低于相应的阈值,则价格不确定性的增加会降低消费者的福利。我们还发现,当储蓄率对EIS敏感时,这种直观的案例就有重要的反例。

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