Industrialized Cyclist Notepad


The God that failed

Pinka Chatterji and Sara Markowitz, “Effects of Bicycle Helmet Laws on Children’s Injuries.” NBER Working Paper No. 18773. February 2013. JEL No. I0,K0

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.

Pinka Chatterji
State University of New York at Albany Economics Department

Sara Markowitz
Department of Economics Emory University

The auto industry loves mandatory helmet laws.

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