Bank regulation, financial crisis, and the announcement effects of seasoned equity offerings of US commercial banks

This paper studies the differences in the announcement effects of seasoned equity offerings (SEOs) of commercial banks and non-banks, and explores the influence of bank regulation and the financial crisis on such differences. We find that abnormal stock returns on SEO announcements for US commercial banks are significantly higher than those of non-banks, consistent with the hypothesis that bank regulations reduce the likelihood that bank SEOs signal overpriced equity. The propensity score matching-based difference-in-difference analysis indicates that the differences in stock returns between banks and non-banks decreased during the 2007–2009 financial crisis period and increased after the passage of the Dodd-Frank Act in 2010.

Hui Li, Hong Liu, Antonios Siganos, and Mingming Zhou

Journal of Financial Stability

August 2016

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