Time-Varying Risk Aversion? Evidence from Near-Miss Accidents

Matthew Shum and Yi Xin
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Matthew Shum: Caltech
Yi Xin: Caltech

The Review of Economics and Statistics, 2022, vol. 104, issue 6, 1317-1328

Abstract: We present evidence consistent with time-varying risk preferences among automobile drivers. Exploiting a unique data set of agents' high-frequency driving behavior collected by a mobile phone application, we show that drivers drive more conservatively following near-miss accidents. In a preferred specification, a near-miss triggers a reduction in driving distance of 12.98 kilometers, in-car cell phone use by more than 100%, and highway use by 43.24%. Structural estimation results indicate that such changes in behavior are consistent with an increase in risk aversion of 10.54% to 43.77% and a reduction in annual insurance cost amounting to 2.04% to 3.31% of the average car insurance premium.

Date: 2022
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The Review of Economics and Statistics is currently edited by Pierre Azoulay, Olivier Coibion, Will Dobbie, Raymond Fisman, Benjamin R. Handel, Brian A. Jacob, Kareen Rozen, Xiaoxia Shi, Tavneet Suri and Yi Xu

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