Tweeting for Money: Social Media and Mutual Fund Flows

Juan Imbet and Javier Gil-Bazo
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Juan Imbet: DRM - Dauphine Recherches en Management - Université Paris Dauphine-PSL - PSL - Université Paris Sciences et Lettres - CNRS - Centre National de la Recherche Scientifique

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Abstract: We unveil asset managers' social media communications as a distinct new channel for attracting flows of money to mutual funds. Combining a database of more than 1.6 million posts on X/Twitter by U.S.mutual fund families with textual analysis, we find that flows of money to mutual funds respond positively to both the number and tone of the posts. The link between social media communications and flows of money is not explained by marketing efforts, but the two strategies reinforce each other. A high-frequency analysis that exploits intraday ETF trade data allows us to isolate the effect of tweets on investor decisions from potential confounders. We then consider and test four different economic mechanisms. The results of these tests do not support the hypothesis that asset managers' social media communications reduce search costs for potential investors. The results do not support, either, that asset management companies' Twitter activity increases investor attention or alleviates information asymmetries by communicating performance-relevant information to investors. In contrast, our evidence suggests that asset managers use social media as an effective persuasion tool.

Keywords: social media; twitter; mutual funds; machine learning; textual analysis; search costs; information asymmetry; information frictions; persuasion (search for similar items in EconPapers)
Date: 2024-09-06
Note: View the original document on HAL open archive server: https://hal.science/hal-04726330v1
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Related works:
Working Paper: Tweeting for Money: Social Media and Mutual Fund Flows (2023)
Working Paper: Tweeting for Money: Social Media and Mutual Fund Flows (2022)
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