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http://ssrn.com/abstract=295766
 
 

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A Model of Asset Pricing and Portfolio Delegation


Navneet Arora


American Century Investments

Hui Ou-Yang


Cheung Kong Graduate School of Business

December 24, 2001

AFA 2002 Atlanta Meetings

Abstract:     
Previous analysis of equilibrium asset prices often ignore the effects of delegated portfolio management and those of delegated portfolio management problems often ignore information and equilibrium asset prices. This paper develops a dynamic model that simultaneously considers optimal contracting and equilibrium asset prices under differential information. We consider a case in which investors can contract on various signals as well as a case in which investors constrain the contract form to be of a linear function of the terminal value of their portfolios. Optimal contracts and equilibrium asset prices are characterized in both cases. We examine the impact of portfolio delegation and risk sharing on portfolio managers' trading behavior, the autocorrelation in stock returns, and the persistence of fund performance. We find that due to the less optimal risk sharing contract, the risk premium on the stock as well as the autocorrelations in both stock and fund returns are substantially higher in case 1 than in case 2. In particular, we find that under certain conditions, the autocorrelations in fund returns are positive, suggesting the persistence of fund performance. The presence of differential information among funds reduces autocorrelations in stock and fund returns, but the costs associated with managing the portfolio enhance them.

Number of Pages in PDF File: 61

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Date posted: January 5, 2002  

Suggested Citation

Arora, Navneet and Ou-Yang, Hui, A Model of Asset Pricing and Portfolio Delegation (December 24, 2001). AFA 2002 Atlanta Meetings. Available at SSRN: http://ssrn.com/abstract=295766 or http://dx.doi.org/10.2139/ssrn.295766

Contact Information

Navneet Arora
American Century Investments ( email )
1665 Charleston Road
Mountain View, CA 94043
United States
Hui Ou-Yang (Contact Author)
Cheung Kong Graduate School of Business ( email )
Hong Kong
China
852-5199-6227 (Phone)
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