An Investigation of the Short†Run and Long†Run Stock Returns Surrounding Insurer Rating Changes

Leon Chen, Jennifer J. Gaver and Steven W. Pottier

Journal of Risk & Insurance, 2018, vol. 85, issue 1, 35-67

Abstract: We find that stock returns move in the direction of insurer rating changes in the 12†month period prior to the announcement. There is an additional stock price response following the announcement of a downgrade, but no response to upgrade announcements. The reaction to a downgrade is more pronounced when it involves a smaller insurer, when it spans multiple levels, or when it is a threshold downgrade. Returns are significantly more negative during the 12 months leading up to a downgrade announcement during the financial crisis (2008 and 2009) compared to other sample years.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:bla:jrinsu:v:85:y:2018:i:1:p:35-67

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