We study the factors that predict medical malpractice ("med mal") insurance premia, using national data from Medical Liability Monitor over 1990 to 2017. A number of core findings are not easily explained by standard economic theory. First, we estimate long run elasticities of premia to...

We study defense costs for commercially insured personal injury tort claims in Texas over 1988-2004, and insurer reserves for those costs. We rely on detailed case-level data on defense legal fees and expenses, and Texas state bar data on lawyers' hourly rates. We study medical malpractice ("med...