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The equity premium puzzle and the risk-free rate puzzle

  • Weil, Philippe

This paper studies the implications for general equilibrium asset pricing of a recently introduced class of Kreps-Porteus non-expected utility preferences, which is characterized by a constant intertemporal elasticity of substitution and a constant, but unrelated, coefficient of relative risk aversion. It is shown that the solution to the "equity premium puzzle" documented by Mehra and Prescott [19851 cannot be found, for plausibly calibrated parameter values, by simply separating risk aversion from intertemporal substitution. Rather, relaxing the parametric restriction on tastes implicit in the time-addictive expected utility specification and adopting Kreps-Porteus preferences in the direction of "more realism" is likely to add a "riskfree rate puzzle" to Mehra's and Prescott's "equity premium puzzle."

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Article provided by Elsevier in its journal Journal of Monetary Economics.

Volume (Year): 24 (1989)
Issue (Month): 3 (November)
Pages: 401-421

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Handle: RePEc:eee:moneco:v:24:y:1989:i:3:p:401-421
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/505566

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  1. Mehra, Rajnish & Prescott, Edward C., 1985. "The equity premium: A puzzle," Journal of Monetary Economics, Elsevier, vol. 15(2), pages 145-161, March.
  2. Kreps, David M & Porteus, Evan L, 1978. "Temporal Resolution of Uncertainty and Dynamic Choice Theory," Econometrica, Econometric Society, vol. 46(1), pages 185-200, January.
  3. Kreps, David M. & Porteus, Evan L., 1979. "Temporal von neumann-morgenstern and induced preferences," Journal of Economic Theory, Elsevier, vol. 20(1), pages 81-109, February.
  4. Mankiw, N Gregory & Shapiro, Matthew D, 1986. "Risk and Return: Consumption Beta versus Market Beta," The Review of Economics and Statistics, MIT Press, vol. 68(3), pages 452-59, August.
  5. Lucas, Robert E, Jr, 1978. "Asset Prices in an Exchange Economy," Econometrica, Econometric Society, vol. 46(6), pages 1429-45, November.
  6. Kahn, James A., 1990. "Moral hazard, imperfect risk-sharing, and the behavior of asset returns," Journal of Monetary Economics, Elsevier, vol. 26(1), pages 27-44, August.
  7. Dreze, Jacques H. & Modigliani, Franco, 1972. "Consumption decisions under uncertainty," Journal of Economic Theory, Elsevier, vol. 5(3), pages 308-335, December.
  8. Larry G. Epstein & Stanley E. Zin, 1987. "Substitution, Risk Aversion and the Temporal Behaviour of Consumption and Asset Returns I: A Theoretical Framework," Working Papers 699, Queen's University, Department of Economics.
  9. Sanford J. Grossman & Guy Laroque, 1987. "Asset Pricing and Optimal Portfolio Choice in the Presence of Illiquid Durable Consumption Goods," NBER Working Papers 2369, National Bureau of Economic Research, Inc.
  10. Kreps, David M & Porteus, Evan L, 1979. "Dynamic Choice Theory and Dynamic Programming," Econometrica, Econometric Society, vol. 47(1), pages 91-100, January.
  11. Farmer, Roger, 1987. "Closed-Form Solutions to Dynamic Stochastic Choice Problems," The Warwick Economics Research Paper Series (TWERPS) 282, University of Warwick, Department of Economics.
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