Why Don't We Agree? Evidence from a Social Network of Investors

J. Anthony Cookson and Marina Niessner

Journal of Finance, 2020, vol. 75, issue 1, 173-228

Abstract: We study sources of investor disagreement using sentiment of investors from a social media investing platform, combined with information on the users' investment approaches (e.g., technical, fundamental). We examine how much of overall disagreement is driven by different information sets versus differential interpretation of information by studying disagreement within and across investment approaches. Overall disagreement is evenly split between both sources of disagreement, but within‐group disagreement is more tightly related to trading volume than cross‐group disagreement. Although both sources of disagreement are important, our findings suggest that information differences are more important for trading than differences across market approaches.

Date: 2020
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https://doi.org/10.1111/jofi.12852

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Persistent link: https://EconPapers.repec.org/RePEc:bla:jfinan:v:75:y:2020:i:1:p:173-228

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