Data Management

A Mispricing Model Of Stocks Under Asymmetric Information

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Executive Summary

The authors extend the theory of asymmetric information in mispricing models for stocks following geometric Brownian motion to constant relative risk averse investors. Mispricing follows a continuous mean - reverting Ornstein - Uhlenbeck process. Optimal portfolios and maximum expected log - linear utilities from terminal wealth for informed and uninformed investors are derived. They obtain analogous but more general results which nests those of Guasoni (2006) as a special case of the relative risk aversion approaching one.

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