Tobacco use and quit behaviors among delinquent youth: a pilot study

With rates of adolescent tobacco use steadily increasing over the past 20 years, assisting youth to quit, particularly those youth most susceptible to tobacco use, has become a national focus. The purpose of this pilot study was to examine and profile the smoking patterns of a small sample (n = 37) of juvenile offenders in Texas. In contrast to anecdotal reports, the sample group from this study did not differ clinically from the general population of adolescent tobacco users. Importantly, the study participants indicated previous attempts to stop smoking. The authors conclude that delinquent youth may be responsive to cognitive behavioral smoking cessation programs that also address the management of peer networks.     

Woody vegetation and canopy fragmentation along a forest-to-urban gradient

To identify patterns that can be used to predict vegetation and landscape characteristics in urban environments, we surveyed the species composition and size of woody plants, as well as the landscape structure of forest canopies, along a forest-to-urban gradient near Oxford, Ohio, USA. The gradient included six sites of increasingly urban land-use: a preserve, a recreational area, a golf course, a residential subdivision, apartment complexes, and a business district. We recorded species identity and stem diameter for all woody plants greater than 3 cm diameter at breast height (DBH) to examine the distribution of individual species as well as overall community composition. We used digitized aerial photographs to compare the spatial characteristics of the forest canopy at each site. We found predictable patterns in species diversity (Shannon index), spatial heterogeneity in species composition (mean percent dissimilarity), and all measures of patch fragmentation (canopy cover and patch number and size). There were clear differences in tree density and total basal area between forested sites and developed sites, but there was little resolution among developed sites. Species richness and average DBH showed no clear pattern, suggesting that landscaping preference largely determined these values. We present a modified version of an intermediate heterogeneity model that can be used to predict diversity patterns in urban areas. We discuss probable mechanisms that led to these patterns and the potential implications for animal communities in urban environments.     

Neoliberal Knowledge: The Decline of Technocracy and the Weakening of the Montreal Protocol*

Objective. The turn to participatory, stakeholder modes of governance has been accompanied by the legitimization of a new “particularist knowledge regime” emphasizing the knowledge claims made by private interests and local voices. It has also tended to de‐legitimize the ways of knowing that had characterized central state governance, namely, state expertise based on general welfare analytics such as cost‐benefit analysis. This turn away from state expertise, what we call the “anti‐technocratic consensus,” while stemming from democratic motivations, may actually make environmental governance less democratic. Method. We examine the problems that arise from the abandonment of general welfare economic analytics and technical expertise—the anti‐technocratic consensus—through a specific case study: the recent handling of “critical use exemptions” to the ban on methyl bromide under the Montreal Protocol, a treaty that mandates the elimination of methyl bromide in order to protect the ozone layer. We show that decisionmakers specifically rejected general welfare analytics as a basis of regulatory action in favor of a particularist form of analytics based on measuring market disruption. Results. This case illustrate how the de‐legitimization of technical expertise can weaken the effectiveness of an environmental agreement in meeting its regulatory mandate. Critics have often criticized technical expertise as supporting the economic status quo. However, in the case of methyl bromide and the Montreal Protocol, technical experts using general welfare analytics represented a challenge to U.S. regulatory officials who supported industrial interests and their request for significant exemptions to the ban. Conclusion. The legitimization of a particularist knowledge regime opens up policy making to domination by private interests playing the stakeholder game. Stakeholder input and particularist knowledges are important to democratic decision making. However, technical expertise, despite all its weaknesses, is a form of knowledge that remains necessary to the protection of the environment and public health.     

Simulation Modeling and Analysis: A Collateral Application and Exposition of RFID Technology

RFID technology provides in‐depth, real‐time visibility into the status of assets throughout the supply chain. However, the deployment of RFID technology may have collateral value in the high‐quality data generated by these assets. This study explores the potential value of RFID data for tactical and strategic purposes and the redesign of processes within supply chain through the deployment of simulation modeling and analysis. We present a simulation study conducted at a regional hospital for which data related to trauma patient movement was collected with an RFID‐based system. We find that not only does this data serve as the basis for successful simulation modeling, but that RFID technology may address several data‐related challenges previously identified in the simulation literature.     

Should financial reporting reflect firms’ business models? What accounting can learn from the economic theory of the firm

The paper draws on the economic theory of the firm as developed by Ronald Coase and Oliver Williamson. The theory helps us to understand why firms exist and why market prices are available for some items in accounts and not for others that are part of in-firm processes. The paper argues that financial reporting already reflects firms’ business models and makes the case for an approach to measurement in financial reporting based on firms’ business models. This approach distinguishes between assets that are transformed by a firm’s in-firm processes and those that are not. Historical cost measurements would usually be appropriate for the former, market price measurements (fair value) for the latter. The paper identifies a number of problems with the business model approach to measurement, but suggests that none of them should lead to the conclusion that such an approach would be mistaken. It also suggests opportunities for further research.     

Operational Productivity,Corporate Social Performance,Financial Performance,and Risk in Manufacturing Firms

We examine the relationship between Operational Productivity (OP), Corporate Social Performance (CSP), Financial Performance (FP), and risk. Our sample frame comprises 476 firms in nine US manufacturing industries during the period 1999–2009. We employ DEA‐based measures for OP and CSP, two operationalizations for FP to reflect current profitability and market value, and two operationalizations for risk to reflect bankruptcy risk and stock price volatility. We confirm that OP is essential for good financial performance and reduced risk (as expected), but the main effects of CSP are mixed. Importantly, we find that OP moderates the CSP–FP and CSP–risk relationships. Specifically, if OP is poor, CSP is of limited benefit to FP or risk. However, at or above a threshold level of OP, firms can use CSP to build upon it to yield further improvements in FP and reductions in risk. We discuss the implications of our findings for theory and practice.     

Beauty is in the in-group of the beholded: Intergroup differences in the perceived attractiveness of leaders

Physical attractiveness is most commonly presumed to be an exogenous characteristic that influences people's feelings, perceptions, and behavior across myriad types of relationships. We investigate the opposite prediction in which feelings toward other people influence the perceptions of others' attractiveness. Focusing specifically on subordinates' perceptions of leaders of in-groups and out-groups, we examine whether group membership moderates familiarity in relation to ratings of physical attractiveness. Studies 1 and 2 show that subordinates rate the leaders of their in-groups as significantly more physically attractive than comparably familiar out-group leaders. Our findings have relevance for understanding the interactive roles of physical attractiveness within contemporary organizational environments and help to account for variance in interpersonal perceptions on the basis of group membership. In contrast with research traditions that treat physical attractiveness as a static trait, our findings highlight the importance of group membership as a lens for perceiving familiar leaders' physical attractiveness.     

The analysis of linkages in demographic theory

Many seemingly different questions that arise in the analysis of population change can be phrased as the same technical question: How, within a given demographic model, would variable y change if the age- or time-specific function f were to change arbitrarily in shape and intensity? At present demography lacks the machinery to answer this question in analytical and general form. This paper suggests a method based on modern functional calculus for deriving closed-form expressions for the sensitivity of demographic variables to changes in input functions or schedules. It uses this “linkage method” to obtain closed-form expressions for the response of the intrinsic growth rate, birth rate, and age composition of a stable population to arbitrary marginal changes in its age patterns of fertility and mortality. It uses it also to obtain expressions for the transient response of the age composition of a nonstable population to time-varying changes in the birth sequence, and to age-specific fertility and mortality patterns that change over time. The problem of “bias” in period vital rates is also looked at.     

The Ergodic Theorems of Demography: a Simple Proof

Standard proofs of the ergodic theorems of demography rely on theorems borrowed from positive matrix theory, tauberian theory, and the theory of time-inhomogeneous Markov matrices. These proofs are efficient and expedient, but they give little direct insight into the mechanism that causes ergodicity. This paper proposes a simple and unified proof of the two ergodic theorems. It is shown that the birth dynamics can be decomposed into a smoothing process that progressively levels out past fluctuations in the birth sequence and a reshaping process that accounts for current period-to-period changes in vital rates. The smoothing process, which causes the birth sequence to lose information on its past shape, is shown to be the ergodic mechanism behind both theorems.