Public capital stock and interstate variations in manufacturing efficiency

This study focuses on the role of public capital stock in contributing to interstate differences in productive efficiency in manufacturing. Our motivation is to assess the role of public capital as a source of persistent regional variations in efficiency, and thus determine if public infrastructure policies might reasonably be expected to alter the competitive environment of a state's manufacturing sector. We use a stochastic frontier production function model, explicitly incorporating infrastructure capital, to examine the relative performance of the aggregate manufacturing sector across states and over time. We calculate an index of productive efficiency and estimate the determinants of statewide variations in it. These results show that variations in per capita infrastructure stocks significantly affect manufacturing efficiency. Considering the behavior of public capital as both a direct and an indirect input furthers our understanding of the role of infrastructure and its implications for regional economic development policies.     

The Accuracy and Repeatability of Reconstructing Single Bullet Impacts Using the 2D Ellipse Method

When a bullet punctures a surface, it leaves behind a bullet impact, which can be analyzed in order to determine the origin and trajectory path from which a bullet was discharged using many different scientific methods to reconstruct a shooting scene. The purpose of the research was to test the accuracy and repeatability of reconstructing the impact angle of single bullet impacts using the ellipse method. The research was conducted by firing various calibers of ammunition into drywall panels positioned at varying angles of incidence from 88° until ricochet occurred. This was done in order to determine which caliber type and angle of incidence are most accurate and precise for reconstructing a shooting scene. The study examined four caliber types fired into drywall panels, with 5 repeated shots for each of the 11 angles of incidence (n = 220). Furthermore, 31 participants partook in the study to estimate a bullet impact angle of incidence utilizing the ellipse method. The results show that the best performance (accuracy and repeatability) is seen with the measurements of the 0.45 caliber ammunition. When angle of incidences is low (<64°), the performance (accuracy and repeatability) was seen to be better in all caliber ammunitions. Overall, the data provided for single bullet impacts deposited in drywall show that the ellipse method is useful in providing measurements for most crime scene reconstruction purposes and has also demonstrated that results vary depending on the type of ammunition, firearm, and angle of incidence being examined.     

Parental Control of the Time Preadolescents Spend on Social Media: Links with Preadolescents’ Social Media Appearance Comparisons and Mental Health

Time spent on social media and making online comparisons with others may influence users’ mental health. This study examined links between parental control over the time their child spends on social media, preadolescents’ time spent browsing social media, preadolescents’ appearance comparisons on social media, and preadolescents’ appearance satisfaction, depressive symptoms, and life satisfaction. Preadolescent social media users (N?=?284, 49.1% female; aged 10–12) and one of their parents completed online surveys. Preadolescents, whose parents reported greater control over their child’s time on social media, reported better mental health. This relationship was mediated by preadolescents spending less time browsing and making fewer appearance comparisons on social media. Parental control over time spent on social media may be associated with benefits for mental health among preadolescents.     

Towards an era of official (involuntary) accountability of NGOs in India

In the recent past, governance reforms in India have resulted in the government and corporate sectors making serious efforts to enhance and showcase their accountability to their principals, namely citizens and shareholders. Similarly, NGOs have been pushed to demonstrate their accountability to multiple stakeholders, namely donors, communities and most importantly, the state. This viewpoint highlights this transition and also reflects on the changing contours of NGO accountability debates in India.     

Youth Adversities Amplify the Association between Adult Stressors and Chronic Inflammation in a Domain Specific Manner: Nuancing the Early Life Sensitivity Model

There is strong evidence that chronic, systemic inflammation hastens onset of the diseases of old age that ultimately lead to death. Importantly, several studies suggest that childhood adversity predicts chronic inflammation. Unfortunately, this research has been plagued by retrospective reports of childhood adversity, an absence of controls for adult stressors, and a failure to investigate various competing models of the link between childhood adversity and chronic inflammation. The present study was designed to address these limitations. Using 18 years of data collected from 413 African Americans (58% female) included in the Family and Community Health Study, hierarchical regression analyses provided support for a nuanced early life sensitivity explanation for the link between early adversity and adult chronic inflammation. Controlling for health risk behaviors and adult SES, late childhood (ages 10–12) adversity amplified the association between adult adversity (age 29) and chronic inflammation. This interaction operated in a domain-specific fashion. Harsh parenting amplified the relation between intimate partner hostility and inflammation, whereas early discrimination amplified the relation between adult discrimination and inflammation. These findings suggest that individuals may be primed to respond physiologically to adverse adult circumstances that resemble those experienced earlier in life.

     

Trends in firearm background check applications and denials

There is little previous research on firearm background check applications and denials despite the potential for such research to significantly benefit policy and practice. The U.S. firearm background check system is complex with federal, state, and local laws creating a patchwork system intended to increase public safety and reduce mortality. State characteristics may play an important role in changes in application and denial rates. We examined the relationship between application and denial rates and state characteristics such as poverty, race, gender, existing firearm ownership, and population density. Multi‐level longitudinal modeling was used in an ecological study design with the state as the unit of analysis spanning a time period between 2005 and 2010, inclusive. Results indicated that application and denial rates significantly increased over time. Population density and poverty level were negatively related to application and denial rates. Firearm ownership, male population size, and percent of residents that were white were positively related to application and denial rates. Percent of African–American residents was negatively related to application rate. The importance of understanding the factors that predict firearm prevalence and the need for additional research on the denial of firearms is discussed. Copyright © 2016 John Wiley & Sons, Ltd.     

Prosecutor Risk,Maturation, and Wrongful Conviction Practice

In this article we rethink the connection between prosecutorial experience and conviction psychology that undergirds much of the academic literature about wrongful convictions. The conviction psychology account of prosecutorial behavior asserts that prosecutorial susceptibility to cognitive biases deepens over time, thereby increasing the risk that prosecutors will become involved in wrongful convictions the longer they stay in the profession. Our interviews with more than 200 state prosecutors call into question the basis for this asserted correlation between prosecutorial experience and risk of misconduct. The prosecutors we met consistently reported that, all else equal, prosecutors tend to become more balanced, rather than more adversarial, over time. Hence, the prosecutors who present the greatest risk of producing a wrongful conviction are those who are either inexperienced or resistant to the normal maturation process. For this reason, we suggest that wrongful conviction researchers and database designers pay closer attention to the variables associated with prosecutorial experience and resistance that might affect the development of prosecutorial maturity and the consequent risk of wrongful convictions.     

The policy movement as a policy problem

The policy movement is unified by a common interest in the improvement of policy decisions through scientific inquiry. The movement is differentiated, however, because this common interest is highly ambiguous and subject to interpretation from different perspectives. This paper applies a policy sciences perspective to the movement's disappointments over the last few decades, and in particular, the failure to realize earlier aspirations for rational, objective analysis on the more important and controversial policy issues. The paper offers a definition and diagnosis of the underlying problem, and suggests what can be done about it as a matter of individual and collective choice.