Abstract

We investigate the impact of delegated portfolio management on asset prices in a noisy rational equilibrium model. Asset prices in our model are linear in fund managers’ private signals and in realized supply shocks. We show that equilibrium expected returns 1) decrease as the proportion of fund managers increase in the economy; 2) decrease as the precision of fund managers’ signals increase’ and 3) increase as the fund managers’ contingent fees increase.

Highlights

  • Today, most investors delegate their investment decisions to financial professionals

  • The model presented in this paper is inspired by the single-security noisy rational expectations equilibrium of [15,16,17]

  • Our main contribution is in using a noisy rational expectations equilibrium framework to study the impact of delegated portfolio management on asset prices

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Summary

Introduction

Most investors delegate their investment decisions to financial professionals. The noisy rational expectations framework of [15,16,17] inspires our model This framework centers on the idea that uninformed agents use the equilibrium asset price as an informative signal about asset returns and extract some of the information that the informed agents possess

Economy and Preferences
Asset Structure
Information Structure
Portfolio Choice
Fund Manager Demand
Investor Demand
Equilibrium Prices and Demands
E Pi Rpi Pi Si kX i k 1 Pi Zi
E Pi Rpi Pi 1 Rai Rbi RXi ci di
Conclusions and Extensions
Distributional Assumptions
Finite and Infinite Asset Economies
Investment Decisions
Heterogeneity
Information Costs and the Size of the Delegated Portfolio Management Business
Incomplete Market Economies
Findings
Sharing of Information
Full Text
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