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Journal of Corporate Finance Vol. 91 2025

Rating on a behavioral curve

Utpal Bhattacharya1; Janghoon Shon2; Yu Zhang3

1 Hong Kong University of Science and Technology · 2 UNSW Sydney · 3 Hong Kong Baptist Hospital

Abstract

Sell-side analysts rate on a particular type of behavioral curve: recency. Although they claim to use objective criteria (like expected raw, market-adjusted, or industry-adjusted returns), we find that, even after controlling for these claims, their recommendations on a particular stock are negatively influenced by their assessment of the quality of the few other stocks they have rated that month. This recency bias has price implications. The next day's alpha of a sophisticated trading strategy that incorporates this bias is about 40 % higher compared to the alpha of an unsophisticated strategy that uses rating information only.

DOI
10.1016/j.jcorpfin.2024.102708
Volume
91
Pages
102708
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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