City Research Online

Abstract

We use a multiple hypothesis testing framework to estimate the false discovery rate (FDR) amongst UK equity mutual funds. For all funds, we find a relatively high FDR for the best funds of 67% (at a 10% significance level), which indicates that only around 2% of all funds truly outperform their benchmarks. For the worst funds the FDR (at a 10% significance level), is relatively small at 15.9% which results in 20% of funds which truly underperform their benchmarks. For different investment styles, this pattern of very few genuine winner funds is repeated for all companies, small companies and equity income funds. However, forming portfolios of funds based on a set of funds for which the FDR is relatively low, produces positive alphas.

Publication Type:	Monograph (Working Paper)
Publisher Keywords:	Mutual fund performance, false discovery rate
Subjects:	H Social Sciences > HG Finance
Departments:	Bayes Business School > Finance

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