Liu, Xuan and Yang, Fang and Cai, Zongwu (2012): Does Relative Risk Aversion Vary with Wealth? Evidence from Households' Portfolio Choice Data.
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Abstract
We analyze whether relative risk aversion varies with wealth. We first derive theoretical predictions on how risky shares respond to wealth fluctuations in a portfolio choice model with both external habits and time-varying labor income. Our analytical results indicate that: (1) for each household, there are two channels through which the risky share responds to wealth fluctuations, the habit channel and the income channel; (2) across households, there are heterogeneous responses through the habit channel: those who experience large negative income shocks reduce their share of risky assets; and (3) two potential mis-identification problems arise when both the heterogeneity in responses through the habit channel and the income channel are ignored. We then test the theoretical predictions with data from the Panel Study of Income Dynamics. Contrary to the existing literature, our empirical results show evidence of relative risk aversion varying with wealth over time after correcting those two mis-identification problems.
Item Type: | MPRA Paper |
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Original Title: | Does Relative Risk Aversion Vary with Wealth? Evidence from Households' Portfolio Choice Data |
Language: | English |
Keywords: | Time-varying relative risk aversion; Habit formation preference; Micro data; Portfolio choice. |
Subjects: | G - Financial Economics > G1 - General Financial Markets > G11 - Portfolio Choice ; Investment Decisions D - Microeconomics > D9 - Intertemporal Choice > D91 - Intertemporal Household Choice ; Life Cycle Models and Saving E - Macroeconomics and Monetary Economics > E2 - Consumption, Saving, Production, Investment, Labor Markets, and Informal Economy > E21 - Consumption ; Saving ; Wealth |
Item ID: | 41950 |
Depositing User: | Xuan Liu |
Date Deposited: | 25 Apr 2013 05:14 |
Last Modified: | 28 Sep 2019 04:58 |
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URI: | https://mpra.ub.uni-muenchen.de/id/eprint/41950 |
Available Versions of this Item
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Reexamining the Empirical Relevance of Habit Formation Preferences. (deposited 03 Apr 2012 19:47)
- Does Relative Risk Aversion Vary with Wealth? Evidence from Households' Portfolio Choice Data. (deposited 25 Apr 2013 05:14) [Currently Displayed]