RELATIVE RISK AVERSION IS CONSTANT: EVIDENCE FROM PANEL DATA

被引：126
|
作者：
Chiappori, Pierre-Andre [1 ]
Paiella, Monica [2 ]
机构：
[1] Columbia Univ, New York, NY 10027 USA
[2] Univ Naples Federico II, I-80138 Naples, Italy
来源：
JOURNAL OF THE EUROPEAN ECONOMIC ASSOCIATION | 2011年 / 9卷 / 06期
关键词：
EQUITY PREMIUM; INTERTEMPORAL SUBSTITUTION; TEMPORAL BEHAVIOR; PORTFOLIO CHOICE; ASSET RETURNS; CONSUMPTION; INVESTMENT; WEALTH;
D O I：
10.1111/j.1542-4774.2011.01046.x
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
Most classical tests of constant relative risk aversion (CRRA) based on individual portfolio composition use cross-sectional data. Such tests must assume that the distributions of wealth and preferences are independent. We use panel data to analyze how individuals portfolio allocation between risky and riskless assets varies in response to changes in total financial wealth. We find the elasticity of the risky asset share to wealth to be small and statistically insignificant, supporting the CRRA assumption; this finding is robust when the sample is restricted to households experiencing large income variations. In addition, we find a small but significant negative correlation between wealth and risk aversion. Various extensions are discussed.
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页码：1021 / 1052
页数：32
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