Fatal violence among children under 15 years in four cities of South Africa, 2001-2005

Homicide rates for South African children were estimated at double the global average in 2000. This article presents a secondary data analysis of the National Injury Mortality Surveillance System (NIMSS), with full coverage in four major metropolitan cities. Child homicide rates for 2001-2005 were calculated within the 0-4, 5-9 and 10-14 year age groups. The homicide rates were similar to the global pattern, with higher rates for boys, and among children aged 0-4 years than for older children. Poisson regression, accounting for city level clustering, was used to investigate age, sex and period effects in the homicide rate. The model indicated that the gender difference was more marked in the 10-14 year age groups (RR?=?2.17; 95% CI 1.97-2.38) than in the 5-9 year (RR?=?1.43; 95% CI 1.27-1.62) with the 0-4 year age group in-between (RR?=?1.80; 95% CI 1.55-2.10). These data confirm previous observations that fatal violence among children is a public health concern, but, given the high rates of homicide among South African adults and other competing public health problems, it is difficult to motivate for action to address the issue of violence against children. Nonetheless, there are sufficient indications that efforts to reduce childhood violence are urgently needed.     

Resource interaction in inter-organizational networks: Foundations, comparison, and a research agenda

The focus of this article is on discussing the foundations, conceptual development, and implications of resource interaction in inter-organizational networks. The article conceptualizes and classifies resources before discussing how resource interfaces enable to utilize, manage, and change resources. In doing so it provides a set of basic principles as to how resources interact at a network level, or how firms combine, develop, mobilize, and manage resources over time. This is in strong contrast to a focus on the acquisition, accumulation, and exchange of resources by the firm. The article further provides a comparison with two other research streams, the Resource-Based view (RBV) and the Service-Dominant logic (S-D logic), in order to better position this perspective on inter-organizational resource interaction. It concludes by discussing an agenda for further research.     

Network strategising trajectories within a planned strategy process

This paper investigates how the effects of network connections are considered when strategists conduct a planned strategy process. The single case study underpinning the paper is based on qualitative data collected between June and December 2007, which relates to a seven-month strategising process conducted within a project group. The strategising activity was to consider how to develop the company's position by selecting one of several strategic options. The IMP Actors-Resources-Activities (ARA) model is used as a tool to analyse how the effects of network connections are considered within the process. The result is three overlapping ‘network strategising trajectories’ (actor, resource and activity). The dynamics of the trajectories is discussed using a matrix which illustrates how network effects are considered in terms of direct/indirect and isolated/relating. In sum, the paper contributes to the ongoing debates within IMP about strategy by bringing a dynamic process dimension to the study of network strategising.     

A Classification Scheme for Negotiation in Electronic Commerce

In the last few years we have witnessed a surge of business-to-consumer and business-to-business commerce operated on the Internet. However, most current electronic commerce systems are little more than electronic catalogues that allow a user to purchase a product under predetermined and inflexible terms and conditions. We believe that in the next few years we will see a new generation of electronic commerce systems emerge, based on automated negotiation. In this paper, we identify the main parameters on which any automated negotiation depends. To show the applicability of our classification framework, we use it to categorise a representative sample of some of the most prominent negotiation models that exist in the literature.     

Cognitive moral development and attitudes toward women executives

Research has shown that men and women are similar in their capabilities and management competence; however, there appears to be a glass ceiling which poses invisible barriers to their promotion to management positions. One explanation for the existence of these barriers lies in stereotyped, biased attitudes toward women in executive positions. This study supports earlier findings that attitudes of men toward women in executive positions are generally negative, while the attitudes of women are generally positive. Additionally, we found that an individual's level of cognitive moral development correlates significantly with attitudes toward women executives. Limitations of the present study and implications for ethics and diversity training in organizations are discussed. Debbie Thorne is an Assistant Professor of Marketing at The University of Tampa. She earned her doctorate in 1993. Her research has been published in conference proceedings and in The Journal of Teaching in International Business and The Journal of Business Ethics.Linda Howell Everett is an Associate Professor of Management in the Master of Arts in Organizational Management program at Trevecca College, Nashville, Tennessee. Her research interests include business ethics, decision making, risk, and mergers and acquisitions.Carol Danehower is an Assistant Professor of Management in the Fogelman College of Business and Economics at The University of Memphis. Her research interests include gender issues, employee motivation, and employee benefits.     

Inverse probability weighted estimation for general missing data problems

I study inverse probability weighted M-estimation under a general missing data scheme. Examples include M-estimation with missing data due to a censored survival time, propensity score estimation of the average treatment effect in the linear exponential family, and variable probability sampling with observed retention frequencies. I extend an important result known to hold in special cases: estimating the selection probabilities is generally more efficient than if the known selection probabilities could be used in estimation. For the treatment effect case, the setup allows a general characterization of a “double robustness” result due to Scharfstein et al. [1999. Rejoinder. Journal of the American Statistical Association 94, 1135–1146].     

Fixed effects instrumental variables estimation in correlated random coefficient panel data models

We provide a set of conditions sufficient for consistency of a general class of fixed effects instrumental variables (FE-IV) estimators in the context of a correlated random coefficient panel data model, where one ignores the presence of individual-specific slopes. We discuss cases where the assumptions are met and violated. Monte Carlo simulations verify that the FE-IV estimator of the population averaged effect performs notably better than other standard estimators, provided a full set of period dummies is included. We also propose a simple test of selection bias in unbalanced panels when we suspect the slopes may vary by individual.     

Explorations: Time-use surveys in the south

Abstract

Time-use surveys show how individuals spend their time during the day or week, which provides evidence of the gendered division of labor within households and the interdependence of women's and men's paid and unpaid work. Time-use experts in the South face similar challenges to those working in other countries, but they also have to come to terms with the restrictions faced in less developed contexts – notably higher illiteracy rates and limited statistical budgets. These Explorations bring together contributions from three experts on time-use survey design and administration working in three diverse Southern regions to highlight the ongoing processes of learning-by-doing and of building local expertise in these regions. Their discussion of methodological and logistical issues holds particular relevance for developing countries moving toward the implementation of time-use surveys. It also bears on more general feminist concerns regarding the classification and measurement of unpaid care.