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Stochastic inflation and the equity premium


  • Labadie, Pamela


The effects of stochastic inflation on equity prices and the equity premium are studied in a pure-endowment asset-pricing model with a cash-in-advance constraint. Stochastic inflation affects the equity premium through two channels: the assessment of an inflation tax and the presence of an inflation premium. Real and monetary versions of the model are simulated and the comparative dynamic results corroborate the conclusion that inflation has quantitatively important effects. ; The other important result is that the equity premium in the real version of a model—a continuous state-space generalization of Mehra and Prescott (1985)—and the monetary model is very sensitive to the conditional variance of endowment growth. When the standard deviation of endowment growth is increased from 3.49 percent (the estimated value) to 5.59 percent, the real model can generate an equity premium of 2.8 percent in the range of the risk aversion parameters considered by Mehra and Prescott. The monetary model displays similar sensitivity and can generate an equity premium of 5.81 percent.
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Suggested Citation

  • Labadie, Pamela, 1989. "Stochastic inflation and the equity premium," Journal of Monetary Economics, Elsevier, vol. 24(2), pages 277-298, September.
  • Handle: RePEc:eee:moneco:v:24:y:1989:i:2:p:277-298

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    References listed on IDEAS

    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. 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 452-459, August.
    3. Grossman, Sanford J & Laroque, Guy, 1990. "Asset Pricing and Optimal Portfolio Choice in the Presence of Illiquid Durable Consumption Goods," Econometrica, Econometric Society, vol. 58(1), pages 25-51, January.
    4. 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.
    5. Kreps, David M & Porteus, Evan L, 1979. "Dynamic Choice Theory and Dynamic Programming," Econometrica, Econometric Society, vol. 47(1), pages 91-100, January.
    6. 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.
    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. Lucas, Robert E, Jr, 1978. "Asset Prices in an Exchange Economy," Econometrica, Econometric Society, vol. 46(6), pages 1429-1445, November.
    10. 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.
    11. 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.
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