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On the role of the utility function in the estimation of preference parameters

机译:效用函数在偏好参数估计中的作用

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摘要

Modern economic theory summarizes the main characteristics of individual preferences through a definite set of parameters: risk aversion, prudence, and the elasticity of intertemporal substitution. Despite their importance, the results of the literature devoted to the parameters' estimation are controversial. This paper highlights the neglected role that may have been played by the constraints that the quantitative definition of the parameters and the utility functions employed impose on the estimation. A number of simulation exercises are presented, which show that the same saving behaviour can be associated with quite different values of the parameters depending on the utility function adopted.
机译:现代经济学理论通过一组确定的参数总结了个人偏好的主要特征:风险规避,审慎性和跨期替代的弹性。尽管它们很重要,但有关参数估计的文献结果却引起争议。本文着重指出了参数的定量定义和所使用的效用函数对估计值施加的约束所起的被忽视的作用。提出了许多模拟练习,这些练习表明相同的保存行为可能与所采用的效用函数的参数值完全不同有关。

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