Martin Lettau (University of California, Berkeley) Sydney Ludvigson (New York University)
Abstract
The standard, representative agent, consumption-based asset pricing theory based on CRRA utility fails to explain the average returns of risky assets. When evaluated on cross-sections of stock returns, the model generates economically large unconditional Euler equation errors. Unlike the equity premium puzzle, these large Euler equation errors cannot be resolved with high values of risk aversion. To explain why the standard model fails, we need to develop alternative models that can rationalize its large pricing errors. We evaluate whether four newer theories at the vanguard of consumption-based asset pricing can explain the large Euler equation errors of the standard consumption-based model. In each case, we find that the alternative theory counterfactually implies that the standard model has negligible Euler equation errors. We show that the models miss on this dimension because they mischaracterize the joint behavior of consumption and asset returns in recessions, when aggregate consumption is falling. By contrast, a simple model in which aggregate consumption growth and stockholder consumption growth are highly correlated most of the time, but have low or negative correlation in severe recessions, produces violations of the standard model's Euler equations and departures from joint lognormality that are remarkably similar to those found in the data. (Copyright: Elsevier)
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Article provided by Elsevier for the Society for Economic Dynamics in its journal Review of Economic Dynamics.
Volume (Year): 12 (2009) Issue (Month): 2 (April) Pages: 255-283 Download reference. The following formats are available: HTML
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Find related papers by JEL classification: G12 - Financial Economics - - General Financial Markets - - - Asset Pricing G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
References listed on IDEAS 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.:
Martin Lettau & Sydney C. Ludvigson, 2005.
"Euler Equation Errors,"
NBER Working Papers
11606, National Bureau of Economic Research, Inc.
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