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Effects of Bicycle Helmet Laws on Children's Injuries

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  • Pinka Chatterji
  • Sara Markowitz

Abstract

Cycling is popular among children, but results in thousands of injuries annually. In recent years, many states and localities have enacted bicycle helmet laws. We examine direct and indirect effects of these laws on injuries. Using hospital-level panel data and triple difference models, we find helmet laws are associated with reductions in bicycle-related head injuries among children. However, laws also are associated with decreases in non-head cycling injuries, as well as increases in head injuries from other wheeled sports. Thus, the observed reduction in bicycle-related head injuries may be due to reductions in bicycle riding induced by the laws.

Suggested Citation

  • Pinka Chatterji & Sara Markowitz, 2013. "Effects of Bicycle Helmet Laws on Children's Injuries," NBER Working Papers 18773, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:18773
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    References listed on IDEAS

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    1. Christopher S. Carpenter & Mark Stehr, 2011. "Intended and Unintended Consequences of Youth Bicycle Helmet Laws," Journal of Law and Economics, University of Chicago Press, vol. 54(2), pages 305-324.
    2. Darren Grant & Stephen M. Rutner, 2004. "The effect of bicycle helmet legislation on bicycling fatalities," Journal of Policy Analysis and Management, John Wiley & Sons, Ltd., vol. 23(3), pages 595-611.
    3. Marianne Bertrand & Esther Duflo & Sendhil Mullainathan, 2004. "How Much Should We Trust Differences-In-Differences Estimates?," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 119(1), pages 249-275.
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    2. Lauren E. Jones & Nicolas R. Ziebarth, 2017. "U.S. Child Safety Seat Laws: Are they Effective, and Who Complies?," Journal of Policy Analysis and Management, John Wiley & Sons, Ltd., vol. 36(3), pages 584-607, June.
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    More about this item

    JEL classification:

    • I0 - Health, Education, and Welfare - - General
    • K0 - Law and Economics - - General

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