Intended and unintended effects of youth bicycle helmet laws
By: Christopher S. Carpenter, Mark F. Stehr.
Contributors: Stehr, Mark.; National Bureau of Economic Research.
Series: NBER working paper series -- working paper 15658; Working paper series (National Bureau of Economic Research : Online) -- working paper no. 15658.
Publisher: National Bureau of Economic Research
Published: 2010
Place of publication: Cambridge, MA
Language: eng
Format: Electronic resource
Description: "The NBER Bulletin on Aging and Health provides summaries of publications like this.  You can sign up to receive the NBER Bulletin on Aging and Health by email.  Over 20 states have adopted laws requiring youths to wear a helmet when riding a bicycle.  We confirm previous research indicating that these laws reduced fatalities and increased helmet use, but we also show that the laws significantly reduced youth bicycling.  We find this result in standard two-way fixed effects models of parental reports of youth bicycling, as well as in triple difference models of self-reported bicycling among high school youths that explicitly account for bicycling by youths just above the helmet law age threshold.  Our results highlight important intended and unintended consequences of a well-intentioned public policy"--National Bureau of Economic Research web site.
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