Multiple Imputation of the Supplementary Homicide Reports, 1976–2005

The Supplementary Homicide Reports (SHR), assembled by the Federal Bureau of Investigation (FBI), have for many years represented the most valuable source of information on the patterns and trends in murder and non-negligent manslaughter. Despite their widespread use by researchers and policy makers alike, these data are not completely without their limitations, the most important of which involves missing or incomplete incident reports. In this analysis, we develop methods for addressing missing data in the 1976–2005 SHR cumulative file, related to both non-reports (unit missingness) and incomplete reports (item missingness). For incomplete case data (that is, missing characteristics on victims, offenders or incidents), we implement a multiple imputation (MI) approach based on a log-linear model for incomplete multivariate categorical data. Then, to adjust for unit missingness, we adopt a weighting scheme linked to FBI annual estimates of homicide counts by state and National Center for Health Statistics mortality data on decedent characteristics in coroners’ reports for deaths classified as homicide. The result is a fully-imputed SHR database for 1976–2005. This paper examines the effects of MI and case weighting on victim/offender/incident characteristics, including standard errors of parameter estimates resulting from imputation uncertainty.

Perpetrators of sexual assault continuing to have sex with their victims following the initial assault: evidence for evolved reproductive strategies

Among a sample of college students, roughly 30% of the women and 12% of the men reported having been the victim of a sexual assault sometime in their lives. Of the assault victims, approximately 23% of both sexes stated that they had sexual intercourse with their assaulters on at least one subsequent occasion. Female victims of a completed sexual assault were significantly more likely to continue being sexually active with their assailants than were female victims who managed to block the assault, while no such difference was found for male victims. This would imply that some men are using assaultive tactics to secure sex partners beyond a single sexual episode, thereby enhancing their potential reproductive success in evolutionary terms. Also, men who committed sexual assault reported having had more lifetime sex partners than did sexually experienced men with no sexual assault history. Overall, the idea that sexual assault is part of an evolved reproductive strategy is consistent with findings from this study.     

THE STOCHASTIC RELATIONSHIP BETWEEN PATENTS AND ANTITRUST

This article develops a novel theory by which to construe theinteraction between the patent and antitrust laws. The rulesof these respective disciplines are often portrayed as conflictingin means, yet harmonious in purpose. Although the intellectualproperty and antitrust laws have ostensibly divergent viewson the role of competition, their interaction is typically limitedto one of constraint. More specifically, antitrust rules havebeen (poorly) designed to limit the exclusivity inherent ina patent grant to the claimed invention alone. This article,however, articulates a new vision for the role of antitrust:it posits that competition rules operate as a stochastic regulatorof exclusionary patent rights. The Sherman Act constrains patentees'efforts to positively transform the probabilistic nature oftheir intellectual property rights through contract. Yet, becausethe empirical calculation of optimal innovation rates is anelusive, if not Sisyphean, task, the normative desirabilityof the foregoing fact is abstruse. Nevertheless, policymakers'inability to pinpoint precisely the ex post rewards requiredto trigger ideal levels of ex ante investment need not bindour hands to inaction. If contemporary rates of innovation aredeemed acceptable (even if not necessarily perfect), there maybe ways to trigger equivalent levels of ex ante investment withlower social cost. In this regard, it is clear that currentlyenacted competition rules significantly accentuate the uncertaintysurrounding patents' apotropaic effect. Concluding that contractssecuring otherwise stochastic rights may be highly desirable,the article calls for the incorporation of this concern intocontemporary rules, with modest substantive effect, and furtheradvocates a qualified antitrust immunity for "gold-plated" patentsif and when they are introduced.     

Mental illness in the eyes of the law: examining perceptions of stigma among judges and attorneys

In response to the increasing numbers of mentally ill persons placed under the care of correctional institutions, community-based diversion programs have been established to address the unique needs and challenges of this vulnerable population. Given that legal personnel may serve as gatekeepers in placement decisions, and the lack of existing research examining their attitudes toward offenders with mental illness, the present study aimed to evaluate perceptions of dangerousness and treatment need among a sample of judges, prosecutors, and public defenders across the state of Mississippi. While controlling for age, results of a factorial MANCOVA revealed that public defenders, relative to both judges and prosecutors, endorsed more compassionate attitudes about defendants with mental illnesses. Furthermore, political ideology did not significantly influence attitudes toward mentally ill offenders. While judges and prosecutors endorsed more negative stereotypes about mental illness and perceived mentally ill defendants as a greater risk to the community, mean scores across groups suggested moderately positive attitudes overall. Study limitations, implications for correctional mental health providers, and directions for future research are discussed.     

Prevalence and Predictors of Sexual Risks Among Homeless Youth

This study examined prevalence of sexual risks among homeless adolescents and described factors associated with those risks. Community-based outreach methods were used successfully to access this difficult-to-reach population. The sample included 203 homeless youth aged 15–22 recruited from community sites. Questionnaire items addressed demographics, sexual behaviors, alcohol/drug use, STI history and testing, and pregnancy history. In cross-sectional analysis, 58.7% of males and 75.6% of females reported recent sexual intercourse. Of those, one third of males and half of the females used no barrier method with at least one partner. Both gender (female) and race/ethnicity (non-Black) were associated with having intercourse without a barrier contraceptive method. Over one fifth reported a history of survival sex or receiving money, drugs, clothing, shelter, or food for sex. These results show disturbingly high rates of a number of sexual risks, reinforcing the need for targeted interventions with this highly vulnerable population.