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Contribution Details

Type Journal Article
Scope Discipline-based scholarship
Title Dynamic general equilibrium and T-period fund separation
Organization Unit
Authors
  • Thorsten Hens
  • Anke Gerber
  • Peter Woehrmann
Item Subtype Original Work
Refereed Yes
Status Published in final form
Language
  • English
Journal Title Journal of Financial and Quantitative Analysis
Publisher Cambridge University Press
Geographical Reach international
ISSN 0022-1090
Volume 45
Number 2
Page Range 369 - 400
Date 2010
Abstract Text In a dynamic general equilibrium model, we derive conditions for a mutual fund separation property by which the savings decision is separated from the asset allocation decision. With logarithmic utility functions, this separation holds for any heterogeneity in discount factors, while the generalization to constant relative risk aversion holds only for homogeneous discount factors but allows for any heterogeneity in endowments. The logarithmic case provides a general equilibrium foundation for the growth-optimal portfolio literature. Both cases yield equilibrium asset pricing formulas that allow for investor heterogeneity, in which the return process is endogenous and asset prices are determined by expected discounted relative dividends. Our results have simple asset pricing implications for the time series as well as the cross section of relative asset prices. It is found that on data from the Dow Jones Industrial Average, a risk aversion smaller than in the logarithmic case fits best.
Digital Object Identifier 10.1017/S0022109010000049
Other Identification Number merlin-id:442
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Additional Information Copyright: Cambridge University Press