NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Mutual Fund Performance and the Incentive to Generate Alpha

Diane Del Guercio, Jonathan Reuter

NBER Working Paper No. 17491
Issued in October 2011
NBER Program(s):   AP

Financial economists have long been puzzled by investor demand for actively managed funds that generate, on average, negative after-fee, risk-adjusted returns. To shed new light on this puzzle, we exploit the fact that funds in different market segments compete for different types of retail investors. Within the segment of funds marketed directly to retail investors, we find that flows chase risk-adjusted returns, and that funds respond by investing more in active management. Importantly, within this direct-sold segment, we find little evidence that actively managed funds underperform index funds. In contrast, within the segment of funds sold through brokers, which we demonstrate face a weaker incentive to generate alpha, we find that actively managed funds significantly underperform index funds. We conclude that the well-known underperformance of the average actively managed fund in the full sample is driven by the large fraction of funds with weak incentives to identify and motivate skilled managers.

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This paper was revised on July 3, 2012

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Document Object Identifier (DOI): 10.3386/w17491

Published: Del Guercio, Diane, and Jonathan Reuter, 2014, "Mutual Fund Performance and the Incentive to Generate Alpha," Journal of Finance 69(4): 1673-1704. citation courtesy of

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