Crash risk is highest at age 16 where the crash rate per mile driven is two times as high for 16-year-olds as it is for 18-19-year-olds.
Crash risk, defined as the conditional skewness of the return distribution, captures risk asymmetry and is important for investment decisions and risk management. If a socially responsible company promises a high level of transparency and doesn't store a lot of bad news, the risk of falling is low.
The most common way to do this is the ratio (accident) / (traveling 1 billion vehicle kilometers).
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