Vocabulary Herfindahl Index (VocaHIn): Linguistic dominance and collective effervescence in WallStreetBets
Hayakawa, K., Otsubo, Y., Poon, S-H. & Wei, S. 
ORCID: 0000-0002-4363-9950 (2024).
Vocabulary Herfindahl Index (VocaHIn): Linguistic dominance and collective effervescence in WallStreetBets.
Economics Letters, 244,
article number 112027.
doi: 10.1016/j.econlet.2024.112027
Abstract
Our analysis of over 150,000 WallStreetBets comments reveals dominant phrases when members of the community experience collective excitement and solidarity (Collective Effervescence). Using the novel Vocabulary Herfindahl Index (VocaHIn), we find that stock returns volatility increases after CE, and vice versa.
| Publication Type: | Article |
|---|---|
| Additional Information: | This article is available under the Creative Commons CC-BY-NC license and permits non-commercial use, distribution and reproduction in any medium, provided the original work is properly cited. |
| Publisher Keywords: | Vocabulary Herfindahl Index (VocaHIn), Collective effervescence, Retail investors, Meme stocks |
| Subjects: | H Social Sciences > HG Finance |
| Departments: | Bayes Business School Bayes Business School > Faculty of Finance |
| SWORD Depositor: |
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Official URL: https://doi.org/10.1016/j.econlet.2024.112027
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