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Do Traffic Tickets Reduce Motor Vehicle Accidents? Evidence from a Natural Experiment

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Abstract

This paper analyzes the effect of traffic tickets on motor vehicle accidents. OLS estimates may be upward-biased because police officers tend to focus on areas where and periods when there is heavy traffic and thus higher rates of accidents. This paper exploits the dramatic increase in tickets during the Click-it-or-Ticket campaign to identify the causal impact of tickets on accidents using data from Massachusetts. I find that tickets significantly reduce accidents and non-fatal injuries. However, there is limited evidence that tickets lead to fewer fatalities. I provide suggestive evidence that tickets have a larger impact at night and on female drivers.

Suggested Citation

  • Dara N. Lee, 2011. "Do Traffic Tickets Reduce Motor Vehicle Accidents? Evidence from a Natural Experiment," Working Papers 1119, Department of Economics, University of Missouri, revised 17 Jan 2012.
    • Handle: RePEc:umc:wpaper:1119
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    1. Kate Antonovics & Brian G. Knight, 2009. "A New Look at Racial Profiling: Evidence from the Boston Police Department," The Review of Economics and Statistics, MIT Press, vol. 91(1), pages 163-177, February.
    2. Jeffrey A. Miron & Elina Tetelbaum, 2009. "Does The Minimum Legal Drinking Age Save Lives?," Economic Inquiry, Western Economic Association International, vol. 47(2), pages 317-336, April.
    3. Michael D. Makowsky & Thomas Stratmann, 2009. "Political Economy at Any Speed: What Determines Traffic Citations?," American Economic Review, American Economic Association, vol. 99(1), pages 509-527, March.
    4. Carpenter, Christopher S. & Stehr, Mark, 2008. "The effects of mandatory seatbelt laws on seatbelt use, motor vehicle fatalities, and crash-related injuries among youths," Journal of Health Economics, Elsevier, vol. 27(3), pages 642-662, May.
    5. Dills, Angela K., 2010. "Social host liability for minors and underage drunk-driving accidents," Journal of Health Economics, Elsevier, vol. 29(2), pages 241-249, March.
    6. Anbarci, Nejat & Lee, Jungmin, 2008. "Speed Discounting and Racial Disparities: Evidence from Speeding Tickets in Boston," IZA Discussion Papers 3903, Institute of Labor Economics (IZA).
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    Cited by:

    1. Ben Brewer, 2020. "Click it or give it: Increased seat belt law enforcement and organ donation," Health Economics, John Wiley & Sons, Ltd., vol. 29(11), pages 1400-1421, November.
    2. Kristin Mammen & Hyoung Suk Shim & Bryan S. Weber, 2020. "Vision Zero: Speed Limit Reduction and Traffic Injury Prevention in New York City," Eastern Economic Journal, Palgrave Macmillan;Eastern Economic Association, vol. 46(2), pages 282-300, April.
    3. Bauernschuster, Stefan & Rekers, Ramona, 2022. "Speed limit enforcement and road safety," Journal of Public Economics, Elsevier, vol. 210(C).
    4. Chiara Berneri & Shaun Larcom & Congmin Peng & Po-Wen She, 2024. "The impact of law on moral and social norms: evidence from facemask fines in the UK," European Journal of Law and Economics, Springer, vol. 57(3), pages 311-346, June.
    5. Molitor, Ramona, 2017. "Publicly announced speed limit enforcement and its impact on road safety: Evidence from the German Blitzmarathons," Passauer Diskussionspapiere, Volkswirtschaftliche Reihe V-75-17, University of Passau, Faculty of Business and Economics.
    6. Janvier Gasana & Soad Albahar & Mahareb Alkhalidi & Qout Al-Mekhled & Darline El Reda & Marwan Al-Sharbati, 2022. "Risky Roads in Kuwait: An Uneven Toll on Migrant Workers," IJERPH, MDPI, vol. 19(15), pages 1-12, August.
    7. Shawn Kantor & Carl T. Kitchens & Steven Pawlowski, 2021. "Civil Asset Forfeiture, Crime, And Police Incentives: Evidence From The Comprehensive Crime Control Act Of 1984," Economic Inquiry, Western Economic Association International, vol. 59(1), pages 217-242, January.
    8. Siân Mughan & Joanna Carroll, 2021. "Escaping the long arm of the law? Racial disparities in the effect of drivers' license suspensions on offense probabilities," Southern Economic Journal, John Wiley & Sons, vol. 87(4), pages 1366-1389, April.

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    More about this item

    Keywords

    traffic tickets; motor vehicle accidents; natural experiment;
    All these keywords.

    JEL classification:

    • K32 - Law and Economics - - Other Substantive Areas of Law - - - Energy, Environmental, Health, and Safety Law
    • K42 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Illegal Behavior and the Enforcement of Law
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • R41 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise

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