A majority of funds managed by certain financial services companies appears to outperform their benchmarks because of

Question

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Studies have shown that survivorship bias, which occurs when poorly performing funds are dropped from analyses, can lead to an overestimation of the average fund's performance relative to its benchmark. While there may be highly qualified professional managers and benchmark choices that contribute to outperformance, survivorship bias appears to be a primary driver.

A Majority of Funds Managed by Certain Financial Services Companies