Publication detail

Hedge Fund Performance: A Quantitative Survey

Author(s): prof. PhDr. Tomáš Havránek Ph.D.,
doc. PhDr. Zuzana Havránková Ph.D.,
Jiří Novák M.Sc., Ph.D., Deloitte Corporate Chair,
Fan Yang MSc.,
Type: IES Working Papers
Year: 2022
Number: 15
ISSN / ISBN:
Published in: IES Working Papers 15/2022
Publishing place: Prague
Keywords: Hedge funds, meta-analysis, publication bias
JEL codes: J23, J24, J31
Suggested Citation: Yang F., Havranek T., Irsova Z. and Novak J. (2022): "Hedge Fund Performance: A Quantitative Survey" IES Working Papers 15/2022. IES FSV. Charles University.
Abstract: We provide the first quantitative survey of the empirical literature on hedge fund per- formance. We examine the impact of potential biases on the reported results. Empirical analysis in prior studies has been plagued by fragmentation of underlying data and by lim- ited consensus on how hedge fund performance should be measured. Using a sample of 1,019 intercept terms from regressions of hedge fund returns on risk factors (the “alphas”) collected from 74 studies published between 2001 and 2021 we show that inferences about hedge fund returns are not significantly contaminated by publication selection bias. Most of our monthly alpha estimates adjusted for the (small) bias fall within a relatively narrow range of 30 to 40 basis points. Considering several partitions of our sample, we document a modest publication bias only for estimates based on instrumental variables (IV), for which relatively large standard errors are common and that tend to be less precise. In contrast, studies that explicitly control for the potential biases in the underlying data (e.g. the back- filling bias and the survivorship bias) report lower alphas. Our results demonstrate that despite the prevalence of the publication selection bias in numerous other research settings, publication may not be selective when there is no strong a priori theoretical prediction about the sign of estimated coefficients, which may induce greater readiness to publish statistically insignificant results.
Downloadable: wp_2022_15_yang, havranek, irsova, novak

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