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The deterrent effect of “Vehicular Homicide Laws”: Microeconometric evidence from Italy

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  • Basili, Marcello
  • Belloc, Filippo

Abstract

We empirically measure the short-run marginal deterrent effect of the Italian “Vehicular Homicide Law” (VHL), introduced in Italy in 2016. We exploit micro-data on the entire universe of road accidents in Italy in the period before and after the VHL. We find no systematic variation of the number of deaths per accident, after controlling for an array of driver and vehicle characteristics, road and weather conditions, province-level effects and time effects absorbing country-level variation in traffic volumes and enforcement devices. We argue that the short-run marginal deterrent effect of the Italian VHL was negligible. We also document a number of correlations between several driver, vehicle and road characteristics and both the occurrence and the severity of fatal accidents. Our results may help improving policy initiatives aimed at curbing dangerous driving on Italian roads.

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  • Basili, Marcello & Belloc, Filippo, 2021. "The deterrent effect of “Vehicular Homicide Laws”: Microeconometric evidence from Italy," Research in Transportation Economics, Elsevier, vol. 90(C).
    • Handle: RePEc:eee:retrec:v:90:y:2021:i:c:s0739885920301281
    DOI: 10.1016/j.retrec.2020.100930
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    More about this item

    Keywords

    Vehicular homicide law; Marginal deterrence; Escalating penalties; Road accidents; Zero-inflated data;
    All these keywords.

    JEL classification:

    • D90 - Microeconomics - - Micro-Based Behavioral Economics - - - General
    • K42 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Illegal Behavior and the Enforcement of Law
    • 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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