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Do Credit-Based Insurance Scores Proxy For Income In Predicting Auto Claim Risk?, Darcy Steeg Morris, Daniel Schwarcz, Joshua C. Teitelbaum

Georgetown Law Faculty Publications and Other Works

Auto insurers often use credit-based insurance scores in their underwriting and rating processes. The practice is controversial—many consumer groups oppose it, and most states regulate it, in part out of concern that insurance scores proxy for policyholder income in predicting claim risk. We offer new evidence on this issue in the context of auto insurance. Prior studies on the subject suffer from the limitation that they rely solely on aggregate measures of income, such as the median income in a policyholder's census tract or zip code. We analyze a panel of households that purchased auto and home policies from a …