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

  title={Do Traffic Tickets Reduce Motor Vehicle Accidents? Evidence from a Natural Experiment},
  author={Dara Lee Luca},
  journal={Journal of Policy Analysis and Management},
  • D. Luca
  • Published 5 November 2013
  • Economics
  • Journal of Policy Analysis and Management
This paper analyzes the effect of traffic tickets on motor vehicle accidents. Ordinary least squares (OLS) estimate 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… 

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