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Group Profiling for Alcohol Impaired Motorists with Driving Skills Disparities: Should we Care for Fairness?

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  • Sergio Parra Cely

Abstract

A game theory model with incomplete and imperfect information is proposed here to understandthe decision faced by motorists, from two identifiable groups, to drive under the influenceof alcohol. In order to assess the best implementable policy, the rational decision from a trafficpolice force to engage in a group profiling policy strategy is described. We also suggest aperfect bayesian equilibrium solution, provinding conditions of existence and uniqueness. Thepredictions from this model suggest that, if there exist disparities in the driving skills for bothgroups when motorists are impaired by alcohol, traffic police officers should stop and administratea breath alcohol test to a higher proportion of motorists from the group with the largestviolation rate. Therefore, we suggest that group profiling through a statistical discriminationprocedure is feasible. However, if there is no statistical evidence to support such disparity, onlya fair policy -that is, to stop and test motorists from both groups with the same intensity- isimplementable. In this latter case, we suggest that a biased behavior in policing is explainedby prejudice or taste-based discrimination.

Suggested Citation

  • Sergio Parra Cely, 2011. "Group Profiling for Alcohol Impaired Motorists with Driving Skills Disparities: Should we Care for Fairness?," Vniversitas Económica 10089, Universidad Javeriana - Bogotá.
    • Handle: RePEc:col:000416:010089
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    File URL: http://cea.javeriana.edu.co/documents/153049/2786252/Vol.11_9_2011.pdf/9a8ad1f1-788f-4278-a2a4-7c23c8363490
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    References listed on IDEAS

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    1. Kate Antonovics & Brian G. Knight, 2009. "A New Look at Racial Profiling: Evidence from the Boston Police Department," The Review of Economics and Statistics, MIT Press, vol. 91(1), pages 163-177, February.
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    5. David Bjerk, 2007. "Racial Profiling, Statistical Discrimination, and the Effect of a Colorblind Policy on the Crime Rate," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 9(3), pages 521-545, June.
    6. Kenkel, Donald S, 1993. "Drinking, Driving, and Deterrence: The Effectiveness and Social Costs of Alternative Policies," Journal of Law and Economics, University of Chicago Press, vol. 36(2), pages 877-913, October.
    7. Steven D. Levitt & Jack Porter, 2001. "How Dangerous Are Drinking Drivers?," Journal of Political Economy, University of Chicago Press, vol. 109(6), pages 1198-1237, December.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    group profiling; discrimination; economics of crime; law enforcement; alcohol.;
    All these keywords.

    JEL classification:

    • J70 - Labor and Demographic Economics - - Labor Discrimination - - - General
    • K42 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Illegal Behavior and the Enforcement of Law

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