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Beta uncertainty

Hollstein, F., Prokopczuk, M. and Wese Simen, C. (2020) Beta uncertainty. Journal of Banking & Finance, 116. 105834. ISSN 0378-4266

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To link to this item DOI: 10.1016/j.jbankfin.2020.105834


A stock’s exposure to systematic risk factors is surrounded by substantial uncertainty. This beta uncertainty is both economically and statistically significantly priced in the cross-section of stock returns. Stocks with high beta uncertainty substantially underperform those with low beta uncertainty: a two-standard-deviation increase in the measure decreases average annual returns by 9.7%. These results cannot be explained by previously discovered determinants of cross-sectional stock returns. Aggregate beta uncertainty negatively predicts market excess returns in the short and medium term. We find supporting evidence for a mispricing explanation of the beta uncertainty premium.

Item Type:Article
Divisions:Henley Business School > ICMA Centre
ID Code:90228


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