Offsetting the Incentives: Risk Shifting and Benefits of Benchmarking in Money Management

Money managers are rewarded for increasing the value of assets under management, and predominantly so in the mutual fund industry. This gives the manager an implicit incentive to exploit the well-documented positive fund-flows to relati...

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Main Authors: Basak, Suleyman, Pavlova, Anna, Shapiro, Alex
Format: Working Paper
Language:en_US
Published: 2003
Subjects:
Online Access:http://hdl.handle.net/1721.1/3514
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author Basak, Suleyman
Pavlova, Anna
Shapiro, Alex
author_facet Basak, Suleyman
Pavlova, Anna
Shapiro, Alex
author_sort Basak, Suleyman
collection MIT
description Money managers are rewarded for increasing the value of assets under management, and predominantly so in the mutual fund industry. This gives the manager an implicit incentive to exploit the well-documented positive fund-flows to relative-performance relationship by manipulating her risk exposure. In a dynamic asset allocation framework, we show that as the year-end approaches, the ensuing convexities in the manager's objective induce her to closely mimic the index, relative to which her performance is evaluated, when the fund's year-to-date return is sufficiently high. As her relative performance falls behind, she chooses to deviate from the index by either increasing or decreasing the volatility of her portfolio. The maximum deviation is achieved at a critical level of underperformance. It may be optimal for the manager to reach such deviation via selling the risky asset despite its positive risk premium. Under multiple sources of risk, with both systematic and idiosyncratic risks present, we show that optimal managerial risk shifting may not necessarily involve taking on any idiosyncratic risk. The manager's policy results in economically significant departures from investors' desired risk exposure. We then demonstrate how constraining the manager's investment opportunity set, via a simple benchmarking restriction, can ameliorate the adverse effects of managerial incentive
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spelling mit-1721.1/35142019-04-10T23:47:29Z Offsetting the Incentives: Risk Shifting and Benefits of Benchmarking in Money Management Basak, Suleyman Pavlova, Anna Shapiro, Alex Fund Flows Implicit Incentives Risk Taking Benchmarking Risk Management Investments Money managers are rewarded for increasing the value of assets under management, and predominantly so in the mutual fund industry. This gives the manager an implicit incentive to exploit the well-documented positive fund-flows to relative-performance relationship by manipulating her risk exposure. In a dynamic asset allocation framework, we show that as the year-end approaches, the ensuing convexities in the manager's objective induce her to closely mimic the index, relative to which her performance is evaluated, when the fund's year-to-date return is sufficiently high. As her relative performance falls behind, she chooses to deviate from the index by either increasing or decreasing the volatility of her portfolio. The maximum deviation is achieved at a critical level of underperformance. It may be optimal for the manager to reach such deviation via selling the risky asset despite its positive risk premium. Under multiple sources of risk, with both systematic and idiosyncratic risks present, we show that optimal managerial risk shifting may not necessarily involve taking on any idiosyncratic risk. The manager's policy results in economically significant departures from investors' desired risk exposure. We then demonstrate how constraining the manager's investment opportunity set, via a simple benchmarking restriction, can ameliorate the adverse effects of managerial incentive 2003-05-23T19:25:47Z 2003-05-23T19:25:47Z 2003-05-23T19:25:47Z Working Paper http://hdl.handle.net/1721.1/3514 en_US MIT Sloan School of Management Working Paper;4303-03 421785 bytes application/pdf application/pdf
spellingShingle Fund Flows
Implicit Incentives
Risk Taking
Benchmarking
Risk Management
Investments
Basak, Suleyman
Pavlova, Anna
Shapiro, Alex
Offsetting the Incentives: Risk Shifting and Benefits of Benchmarking in Money Management
title Offsetting the Incentives: Risk Shifting and Benefits of Benchmarking in Money Management
title_full Offsetting the Incentives: Risk Shifting and Benefits of Benchmarking in Money Management
title_fullStr Offsetting the Incentives: Risk Shifting and Benefits of Benchmarking in Money Management
title_full_unstemmed Offsetting the Incentives: Risk Shifting and Benefits of Benchmarking in Money Management
title_short Offsetting the Incentives: Risk Shifting and Benefits of Benchmarking in Money Management
title_sort offsetting the incentives risk shifting and benefits of benchmarking in money management
topic Fund Flows
Implicit Incentives
Risk Taking
Benchmarking
Risk Management
Investments
url http://hdl.handle.net/1721.1/3514
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