The equity premium and the concentration of aggregate shocks
This paper examines an economy in which aggregate shocks are not dispersed equally throughout the population. Instead, while these shocks affect all individuals ex ante, they are concentrated among a few ex post.The equity premium in general depends on the concentration of these aggregate shocks; it follows that one cannot estimate the degree of risk aversion from aggregate data alone. These findings suggest that the empirical usefulness of aggregation theorems for capital asset pricing models is limited.
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- Mehra, Rajnish & Prescott, Edward C., 1985.
"The equity premium: A puzzle,"
Journal of Monetary Economics,
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NBER Working Papers
0690, National Bureau of Economic Research, Inc.
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- Hansen, Lars Peter & Singleton, Kenneth J, 1983. "Stochastic Consumption, Risk Aversion, and the Temporal Behavior of Asset Returns," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 249-65, April.
- Kenneth B. Dunn & Kenneth J. Singleton, 1984. "Modeling the Term Structure of Interest Rates Under Nonseparable Utilityand Duriability of Goods," NBER Working Papers 1415, National Bureau of Economic Research, Inc.
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