Table 4

Robustness checks: change in the dependent variable

VariablesModel 5: ROA volatilityModel 6: ROE volatilityModel 7: BETA
ROA volatilityt-10.6470***  
ROE volatilityt-1 0.7010*** 
BETAt-1  0.8303***
ESG controversiest-10.0080**0.0438**0.0024***
Reinsurancet-1−0.3861−2.3125−0.0998
Premium growtht-1−0.2418−0.89090.0616
Equity growtht-10.20796.36990.1476
Leveraget-10.0042−0.0196−0.0007
Firm sizet-1−0.2595**0.2130***0.0151
Inflation0.1047−0.6562***0.0007
HHI0.04570.09640.0128
GDP growth−0.0024−0.19520.0021
Activity dummyYesYesYes
Region dummyYesYesYes
Year dummyYesYesYes
m1−3.04−3.04−5.20
m2−1.23−1.240.93
Hansen98.27(91)85.35(70)100.94(88)
Observations1,2711,2711,271
Number of firms120120120

Note(s): This table presents the determinants of the Volatility of the ROA, Volatility of the ROE and the Beta of the share for 120 North American, Canadian, Bermuda, and European insurance issuers from 2011 to 2022 using the system-GMM estimation.; ESG controversies is ESG controversies score from Eikon multiplied by minus one; Reinsurance is the ratio of reinsurance premiums paid to total premiums earned; Premium growth is the annual growth of total premiums. Equity growth is the annual growth of total equity; Leverage is the debt to equity ratio; Firm size is the logarithm of total assets; Inflation is the annual inflation rate; HHI is the Herfindahl–Hirschman index calculated as the sum of the squares of all insurance companies’ market share in terms of premiums written, and GDP growth is the annual real GDP growth rate Significance levels are indicated as follows ***, **, and *: significant at the 1, 5, and 10 percent level. mi is a serial correlation test of order i using residuals in first differences, asymptotically distributed as N(0,1) under the null hypothesis of no serial correlation. Hansen is a test of the overidentifying restrictions, asymptotically distributed as χ2 under the null hypothesis of no correlation between the instruments and the error term, with degrees of freedom in parentheses

Source(s): Table by authors

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