Download This PaperOn the Industry Concentration of Actively Managed Equity Mutual Funds
50 Pages Posted: 10 Feb 2003
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On the Industry Concentration of Actively Managed Equity Mutual Funds
On the Industry Concentration of Actively Managed Equity Mutual Funds
Abstract
Mutual fund managers may decide to deviate from a well-diversified portfolio and concentrate their holdings in industries where they have informational advantages. In this paper, we study the relation between the industry concentration and the performance of actively managed U.S. mutual funds from 1984 to 1999. Our results indicate that, on average, more concentrated funds perform better after controlling for risk and style differences using various performance measures. This finding suggests that investment ability is more evident among managers who hold portfolios concentrated in a few industries.
JEL Classification: G12, G23
Suggested Citation: Suggested Citation
Clemens Sialm
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