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Detecting racial bias in speed discounting: Evidence from speeding tickets in Boston

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  • Anbarci, Nejat
  • Lee, Jungmin

Abstract

We focus on a particular kind of discretionary behavior on the part of traffic officers when issuing speeding tickets – what we term speed discounting. It is anecdotally said that officers often give motorists a break by reporting a lower speed on their citation than the actual speed that they observe the vehicle doing. Verifying the level of police discretion in the speed discounting behavior and ascertaining the presence of racial bias among police officers are the main objectives of this paper. Using a unique dataset that contains the race of the officer and of the motorist and cited vehicle speed, we apply the rank order test and the difference-in-differences method to detect racial prejudice in the speed discounting behavior.

Suggested Citation

  • Anbarci, Nejat & Lee, Jungmin, 2014. "Detecting racial bias in speed discounting: Evidence from speeding tickets in Boston," International Review of Law and Economics, Elsevier, vol. 38(C), pages 11-24.
    • Handle: RePEc:eee:irlaec:v:38:y:2014:i:c:p:11-24
    DOI: 10.1016/j.irle.2014.02.002
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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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    8. Nicola Persico, 2009. "Racial Profiling? Detecting Bias Using Statistical Evidence," Annual Review of Economics, Annual Reviews, vol. 1(1), pages 229-254, May.
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    11. Michael D. Makowsky & Thomas Stratmann, 2009. "Political Economy at Any Speed: What Determines Traffic Citations?," American Economic Review, American Economic Association, vol. 99(1), pages 509-527, March.
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    Cited by:

    1. Matt E. Ryan, 2020. "The heat: temperature, police behavior and the enforcement of law," European Journal of Law and Economics, Springer, vol. 49(2), pages 187-203, April.
    2. Felipe Goncalves & Steven Mello, 2021. "A Few Bad Apples? Racial Bias in Policing," American Economic Review, American Economic Association, vol. 111(5), pages 1406-1441, May.
    3. Pradhi Aggarwal & Alec Brandon & Ariel Goldszmidt & Justin Holz & John List & Ian Muir & Gregory Sun & Thomas Yu, 2022. "High-frequency location data shows that race affects the likelihood of being stopped and fined for speeding," Natural Field Experiments 00764, The Field Experiments Website.
    4. Ili, Dragan, 2016. "Self-fulfilling Prophecies in Rank Order Tests," Working papers 2016/05, Faculty of Business and Economics - University of Basel.
    5. Travova, Ekaterina, 2023. "Under pressure? Performance evaluation of police officers as an incentive to cheat," Journal of Economic Behavior & Organization, Elsevier, vol. 212(C), pages 1143-1172.
    6. Jesse Kalinowski & Stephen L. Ross & Matthew B. Ross, 2017. "Endogenous Driving Behavior in Tests of Racial Profiling in Police Traffic Stops," Working Papers 2017-017, Human Capital and Economic Opportunity Working Group.
    7. Siân Mughan & Joanna Carroll, 2021. "Escaping the long arm of the law? Racial disparities in the effect of drivers' license suspensions on offense probabilities," Southern Economic Journal, John Wiley & Sons, vol. 87(4), pages 1366-1389, April.

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    More about this item

    Keywords

    Police discretion; Racial bias; Speeding tickets; Speed discounting;
    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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