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Review of Financial Studies Vol. 31 No. 5 2018

Mutual Fund Competition, Managerial Skill, and Alpha Persistence

Gerard Hoberg1; Nitin Kumar2; Nagpurnanand Prabhala3

1 Marshall School of Business, University of Southern California , · 2 Indian School of Business · 3 Robert H. Smith School of Business University of Maryland

Abstract

What economic forces limit mutual fund managers from generating consistent outperformance? We propose and test the hypothesis that buy-side competition from other funds matters. We make three contributions. First, we propose new style-based spatial methods to identify the customized rivals of each fund. Second, we construct dynamic, fund-specific measures of competition and generate measures of skill as a fund’s outperformance relative to its customized peers. Third, and finally, we show that funds outperforming their customized rivals generate future alpha when they face less competition. These results are economically significant and last for over four quarters. Received September 11, 2016; editorial decision September 26, 2017 by Editor Itay Goldstein. Authors have furnished an Internet Appendix, which is available on the Oxford University PressWeb site next to the link to the final published paper online.

DOI
10.1093/rfs/hhx127
Volume
31
Issue
5
Pages
1896-1929
Language
en
Sources
crossref openalex