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...

Suppose that an employer fires an employee for two reasons: because the employee is a woman and because she is habitually tardy. In such a quot;mixed motivequot; case, can we say that the employee was fired quot;because ofquot; her sex, as required by most anti-discrimination laws?The answer...

This article examines human rights abuses stemming from the enforcement of confiscation or similar laws. Part I conducts a case study of the U.N.-supported gun confiscation program in Uganda, a program which has directly caused massive, and fatal, violations of human rights.Part II examines a...

Recent empirical studies have revealed prejudice based on country of origin in the Swiss naturalization system before courts banned closed ballot voting in 2003. Although the switch to elected councils has ameliorated the situation for the discriminated applicant groups, little has been known...

This paper considers the use of outcomes-based tests for detecting racial bias in the context of police searches of motor vehicles. It shows that the test proposed in Knowles, Persico and Todd (2001) can also be applied in a more general environment where police officers are heterogenous in...

This paper considers the use of outcomes-based tests for detecting racial bias in the context of police searches of motor vehicles. It shows that the test proposed in Knowles, Persico and Todd (2001) can also be applied in a more general environment where police officers are heterogenous in...

African- American motorist in the United States are much more likely than white motorists to have their car searched by police checking for illegal drugs and other contraband. The courts are faced with the task of deciding on the basis of traffic-search data whether police behavior reflects a...

We present a theoretical model of airport searches. The model extends previous work in the area in that detection conditional on search is imperfect. The hit rates tests for racial bias developed in Knowles, Persico, and Todd (2001) is shown to apply even in the presence of imperfections in...

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...