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Estimating the Continuous Time Consumption Based Asset Pricing Model

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  • Sanford J. Grossman
  • Angelo Melino
  • Robert J. Shiller

Abstract

The consumption based asset pricing model predicts that excess yields are determined in a fairly simple way by the market's degree of relative risk aversion and by the pattern of covariances between percapita consumption growth and asset returns. Estimation and testingis complicated by the fact that the model's predictions relate to the instantaneous flow of consumption and point-in-time asset values, but only data on the integral or unit average of the consumption flow is available. In our paper, we show how to estimate the parameters of interest consistently from the available data by maximum likelihood. We estimate the market's degree of relative risk aversion and the instantaneous covariances of asset yields and consumption using six different data sets. We also test the model's overidentifying restrictions.

Suggested Citation

  • Sanford J. Grossman & Angelo Melino & Robert J. Shiller, 1985. "Estimating the Continuous Time Consumption Based Asset Pricing Model," NBER Working Papers 1643, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:1643
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