Asset Prices and Risk Aversion
The standard asset pricing models (the CCAPM and the Epstein-Zin non-expected utility model) counterintuitively predict that equilibrium asset prices can rise if the representative agent's risk aversion increases. If the income effect, which implies enhanced saving as a result of an increase in risk aversion, dominates the substitution effect, which causes the representative agent to reallocate his portfolio in favour of riskless assets, the demand for securities increases. Thus, asset prices are forced to rise when the representative agent is more risk adverse. By disentangling risk aversion and intertemporal substituability, we demonstrate that the risky asset price is an increasing function of the coefficient of risk aversion only if the elasticity of intertemporal substitution (EIS) exceeds unity. This result, which was first proved par Epstein (1988) in a stationary economy setting with a constant risk aversion, is shown to hold true for non-stationary economies with a variable or constant risk aversion coefficient. The conclusion is that the EIS probably exceeds unity.
|Date of creation:||2014|
|Date of revision:|
|Note:||View the original document on HAL open archive server: https://hal.archives-ouvertes.fr/hal-00955590|
|Contact details of provider:|| Web page: https://hal.archives-ouvertes.fr/|
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Mark Rubinstein, 1976. "The Valuation of Uncertain Income Streams and the Pricing of Options," Bell Journal of Economics, The RAND Corporation, vol. 7(2), pages 407-425, Autumn.
- Masao Ogaki & Carmen M. Reinhart, 1998.
"Measuring Intertemporal Substitution: The Role of Durable Goods,"
Journal of Political Economy,
University of Chicago Press, vol. 106(5), pages 1078-1098, October.
- Reinhart, Carmen & Ogaki, Masao, 1995. "Measuring intertemporal substitution: The role of durable goods," MPRA Paper 13690, University Library of Munich, Germany.
- Ogaki, M & Reinhart, C-M, 1995. "Measuring Intertemporal Substitution : The Role of Durable Goods," RCER Working Papers 404, University of Rochester - Center for Economic Research (RCER).
- John B. Donaldson & Rajnish Mehra, 1984. "Comparative Dynamics of an Equilibrium Intertemporal Asset Pricing Model," Review of Economic Studies, Oxford University Press, vol. 51(3), pages 491-508.
- R. Anton Braun & Tomoyuki Nakajima, 2011.
"Making the case for a low intertemporal elasticity of substitution,"
FRB Atlanta Working Paper
2011-13, Federal Reserve Bank of Atlanta.
- R. Anton Braun & Tomoyuki Nakajima, 2011. "Making the Case for a Low Intertemporal Elasticity of Substitution," KIER Working Papers 788, Kyoto University, Institute of Economic Research.
- R. Anton Braun & Tomoyuki Nakajima, 2012. "Making the case for a low intertemporal elasticity of substitution," FRB Atlanta Working Paper 2012-01, Federal Reserve Bank of Atlanta.
- Mehra, Rajnish & Prescott, Edward C., 1985.
"The equity premium: A puzzle,"
Journal of Monetary Economics,
Elsevier, vol. 15(2), pages 145-161, March.
- Phillippe Weil, 1997.
"The Equity Premium Puzzle and the Risk-Free Rate Puzzle,"
Levine's Working Paper Archive
1833, David K. Levine.
- Weil, Philippe, 1989. "The equity premium puzzle and the risk-free rate puzzle," Journal of Monetary Economics, Elsevier, vol. 24(3), pages 401-421, November.
- Philippe Weil, 1989. "The Equity Premium Puzzle and the Riskfree Rate Puzzle," NBER Working Papers 2829, National Bureau of Economic Research, Inc.
- Epstein, Larry G., 1988. "Risk aversion and asset prices," Journal of Monetary Economics, Elsevier, vol. 22(2), pages 179-192, September.
- Hall, Robert E, 1988.
"Intertemporal Substitution in Consumption,"
Journal of Political Economy,
University of Chicago Press, vol. 96(2), pages 339-57, April.
- Epstein, Larry G & Zin, Stanley E, 1991. "Substitution, Risk Aversion, and the Temporal Behavior of Consumption and Asset Returns: An Empirical Analysis," Journal of Political Economy, University of Chicago Press, vol. 99(2), pages 263-86, April.
- Lucas, Robert E, Jr, 1978. "Asset Prices in an Exchange Economy," Econometrica, Econometric Society, vol. 46(6), pages 1429-45, November.
- Philippe Weil, 1990. "Nonexpected Utility in Macroeconomics," The Quarterly Journal of Economics, Oxford University Press, vol. 105(1), pages 29-42.
- Motohiro Yogo, 2004. "Estimating the Elasticity of Intertemporal Substitution When Instruments Are Weak," The Review of Economics and Statistics, MIT Press, vol. 86(3), pages 797-810, August.
- Epstein, Larry G & Zin, Stanley E, 1989. "Substitution, Risk Aversion, and the Temporal Behavior of Consumption and Asset Returns: A Theoretical Framework," Econometrica, Econometric Society, vol. 57(4), pages 937-69, July.
When requesting a correction, please mention this item's handle: RePEc:hal:wpaper:hal-00955590. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (CCSD)
If references are entirely missing, you can add them using this form.