Mutual fund performance and flow-performance relationship under ambiguity

Gu, Ariel and Yoo, Hong Il (2025) Mutual fund performance and flow-performance relationship under ambiguity. Journal of Empirical Finance, 84. ISSN 0927-5398

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Abstract

Since the exact probability distribution of asset returns is often unknown, the type of uncertainty affecting financial assets may be better characterized as ambiguity rather than risk. Using data from the U.S. mutual fund market, we examine the relationships between mutual funds’ ambiguity exposure, risk-adjusted performance, and investment flows. We introduce a novel measure of ambiguity exposure based on the smooth ambiguity model, which provides insight into how funds are priced in the presence of ambiguity. We find that risk-adjusted fund returns include a positive premium that compensates for greater ambiguity exposure in the fund’s asset holdings. The flow analysis, however, suggests that fund investors pursue positive risk-adjusted returns overall, regardless of whether seemingly superior returns are driven by the ambiguity premium. This behavior indicates that fund investors are primarily attracted to performance outcomes and less concerned with whether these reflect managerial expertise or increased ambiguity exposure.

Item Type:	Article
Uncontrolled Keywords:	beta anomaly,mutual fund,prospect theory,smooth ambiguity,economics and econometrics,finance ,/dk/atira/pure/subjectarea/asjc/2000/2002
Faculty \ School:	Faculty of Social Sciences > School of Economics
UEA Research Groups:	Faculty of Social Sciences > Research Centres > Centre for Competition Policy Faculty of Science > Research Groups > Statistics
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	LivePure Connector
Date Deposited:	17 Sep 2025 16:30
Last Modified:	11 Oct 2025 15:33
URI:	https://ueaeprints.uea.ac.uk/id/eprint/100425
DOI:	10.1016/j.jempfin.2025.101655

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