The Double Power Law in Consumption and Implications for Testing Euler Equations

The Double Power Law in Consumption and Implications for Testing Euler Equations
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消耗中的双幂律及其对检验欧拉方程的影响

DOI:
10.1086/682729
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发表时间:
2014
影响因子:
8.2
通讯作者:
K. Walsh
K. Walsh
中科院分区:
经济学1区
文献类型:
--
作者:
Alexis Akira Toda;K. Walsh

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我们提供的证据表明,美国消费及其增长率的横截面分布在上尾和下尾都服从幂律,指数大约等于4。因此,高阶矩不太可能存在,并且采用横截面矩的欧拉方程的广义矩估计方法可能不一致。通过自举研究,我们发现幂律在解释股票溢价时似乎产生了对异质代理资产定价模型的虚假不排斥。将家庭划分为年龄组,我们提出了一种不太容易受到肥尾问题影响的估计方法。
We provide evidence suggesting that the cross-sectional distributions of US consumption and its growth rate obey the power law in both the upper and lower tails, with exponents approximately equal to four. Consequently, high-order moments are unlikely to exist, and the generalized method of moments estimation of Euler equations that employs cross-sectional moments may be inconsistent. Through bootstrap studies, we find that the power law appears to generate spurious nonrejection of heterogeneous-agent asset pricing models in explaining the equity premium. Dividing households into age groups, we propose an estimation approach that appears less susceptible to fat tail issues.
DOI: 10.1162/003355399556133
发表时间: 1999-08-01
影响因子: 13.7
作者:
Gabaix, X
通讯作者: Gabaix, X
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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