A Flow-Based Explanation for Return Predictability
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I propose and test a capital-flow-based explanation for some well-known empirical regularities concerning return predictability—the persistence of mutual fund performance, the “smart money” effect, and stock price momentum. First, I construct a measure of demand shocks to individual stocks by aggregating flow-induced trading across all mutual funds, and document a significant, temporary price impact of such uninformed trading. Next, given that mutual fund flows are highly predictable, I show that the expected part of flow-induced trading positively forecasts stock and mutual fund returns in the following year, which are then reversed in subsequent years. The main findings of the paper are that the flow-driven return effect can fully account for mutual fund performance persistence and the smart money effect, and can partially explain stock price momentum.
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Pre-crash liquidity levels proxy for frictions that may keep managers from choosing their optimal portfolios.
“Pre-crash liquidity levels may have helped funds respond differently to the crisis(Chernenko and Sunderam (2016)), while at the same time, they proxy for frictions that may keep managers from choosing their optimal portfolios(Lou (2012)).”
From Mutual Fund Trading, Fund Flows, and ESG Portfolios (2026) · cites this paper as Lou (2012)
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Chen, J., Hong, H., Huang, M., & Kubik, J. D. (2004) · American Economic Review · doi:10.1257/0002828043052277 · Cited by 1,430 · see citing works
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- Authors
- Lou, D.
- Affiliations
- Columbia University (US)
- Corresponding author
- Lou, Dong
- ORCID
- Lou, Dong
- Venue
- Review of Financial Studies
- Publisher
- Oxford University Press (OUP)
- Published
- 2012-10-08
- Volume
- 25
- Issue
- 12
- Pages
- 3457-3489
- ISSN
- 0893-9454 (ISSN-L)
- 1465-7368
- OpenAlex
- W2235373759
- Cited by
- 772
- References
- 2
- Citations by year
- 2026: 73 · 2025: 87 · 2024: 62 · 2023: 65 · 2022: 67 · 2021: 65 · 2020: 51 · 2019: 37 · 2018: 39 · 2017: 30 · 2016: 45 · 2015: 33 · 2014: 30 · 2013: 22 · 2012: 21
- FWCI
- 56.33
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Review of Financial Studies (publishedVersion)
- SSRN Electronic Journal (acceptedVersion)
- London School of Economics and Political Science Research Online (London School of Economics and Political Science) (acceptedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- London School of Economics and Political Science Theses Online (London School of Economics and Political Science) (submittedVersion)
- Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
- Topics
- Social Sciences › Economics, Econometrics and Finance › Finance › Financial Markets and Investment Strategies
- Social Sciences › Business, Management and Accounting › Accounting › Financial Analysis and Corporate Governance
- Social Sciences › Decision Sciences › Management Science and Operations Research › Stock Market Forecasting Methods
- Keywords
- return predictability, capital flows, mutual fund flows, price impact, smart money effect, stock price momentum, demand shocks
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