Retail trading and analyst coverage

Charles Martineau and Marius Zoican

Journal of Financial Markets, 2023, vol. 66, issue C

Abstract: How does retail trading impact information supply in financial markets? We build a trading model with endogenous information supply where analysts maximize trading volume by institutional investors. In equilibrium, sell-side analysts provide higher quality signals in stocks with large retail interest, as institutional investors can trade more aggressively without revealing information. We provide empirical evidence supporting the main prediction of the model: A one standard deviation increase in retail trading leads to an additional 0.6 analysts covering the stock. To establish causality, we confirm our results using stock splits as a plausibly exogenous shock to retail trading.

Keywords: Retail trading; Analyst coverage; Liquidity; Price efficiency (search for similar items in EconPapers)
JEL-codes: D83 G11 G24 G40 M41 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:finmar:v:66:y:2023:i:c:s1386418123000472

DOI: 10.1016/j.finmar.2023.100849

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