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1.
We study interdependent risks in security, and shed light on the economic and policy implications of increasing security interdependence in presence of reactive attackers. We investigate the impact of potential public policy arrangements on the security of a group of interdependent organizations, namely, airports. Focusing on security expenditures and costs to society, as assessed by a social planner, to individual airports and to attackers, we first develop a game-theoretic framework, and derive explicit Nash equilibrium and socially optimal solutions in the airports network. We then conduct numerical experiments mirroring real-world cyber scenarios, to assess how a change in interdependence impact the airports' security expenditures, the overall expected costs to society, and the fairness of security financing. Our study provides insights on the economic and policy implications for the United States, Europe, and Asia. 相似文献
2.
Public Organization Review - The organizational practices of government personnel are indispensable components of building public trust and confidence. The 56 department heads and 662 personnel... 相似文献
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This article analyzes professional discourse on masturbation to illustrate how child sexuality serves as a site for symbolic ideological struggles. Sex instruction manuals written in central Europe in the nineteenth century Palestine and Israel in the twentieth century are the basis for broader discussions on religious and scientific discourse on child and adolescent sexuality within the Jewish communities. By tracing the development of new forms of expert knowledge, we show how expert discourse on masturbation gradually transformed it from a symbolic moral evil into a medical disease and a psychological problem, before declaring it a legitimized behavior. 相似文献
5.
Jos Eduardo Corrente Liciana Chalita Jeanete Alves Moreira 《Journal of applied statistics》2003,30(1):37-47
This work develops a new methodology in order to discriminate models for interval- censored data based on bootstrap residual simulation by observing the deviance difference from one model in relation to another, according to Hinde (1992). Generally, this sort of data can generate a large number of tied observations and, in this case, survival time can be regarded as discrete. Therefore, the Cox proportional hazards model for grouped data (Prentice & Gloeckler, 1978) and the logistic model (Lawless, 1982) can be fitted by means of generalized linear models. Whitehead (1989) considered censoring to be an indicative variable with a binomial distribution and fitted the Cox proportional hazards model using complementary log-log as a link function. In addition, a logistic model can be fitted using logit as a link function. The proposed methodology arises as an alternative to the score tests developed by Colosimo et al. (2000), where such models can be obtained for discrete binary data as particular cases from the Aranda-Ordaz distribution asymmetric family. These tests are thus developed with a basis on link functions to generate such a fit. The example that motivates this study was the dataset from an experiment carried out on a flax cultivar planted on four substrata susceptible to the pathogen Fusarium oxysoprum . The response variable, which is the time until blighting, was observed in intervals during 52 days. The results were compared with the model fit and the AIC values. 相似文献
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Martha A. Gabriel PhD 《Clinical Social Work Journal》1991,19(3):279-292
Group therapists for those with HIV Related Diseases are becoming the “professional” survivors of this world-wide epidemic. From their experiences we may learn a great deal more about the effects of multiple deaths on mental health care professionals. As therapists they are constantly eliciting and listening to the fears, hopes, agonies and terrors of those with this disease. They become the bereaved. Witnesses to the deaths of many of their group members, they struggle with a wide range of emotional responses while at the same time assisting surviving group members in their struggle to live with these deaths. Mourning reactions and countertransference phenomena are in abundance as these therapists grapple with these group processes. This article identifies and examines these therapists' responses by focusing on clinical illustrations drawn from their bi-weekly supervision sessions. 相似文献
7.
Mary Whiteside Helen Klieve Nigel Millgate Brad Webb Zona Gabriel Lynne McPherson 《Australian Social Work》2016,69(2):241-252
A significant proportion of young people in Australia are currently not being engaged in school and other social systems. This article presents the results of a mixed-methods study of a pilot Family Wellbeing intervention designed to enhance the social and emotional wellbeing (SEWB) of young Aboriginal men and improve engagement in education, employment, and other social participation. A questionnaire incorporating the Kessler Psychological Distress Scale and respondent self-assessment SEWB questions was administered to program participants pre and post intervention (N = 30) and qualitative data were collected from program organisers (N = 6). The results suggest that the Family Wellbeing intervention has the capacity to make a marked contribution to the SEWB of young Aboriginal men; participants experienced strong improvement in capacity to manage relationships, engagement in education and employment, and mental and physical health. The factors that enabled the program to be adapted to the target group and setting are documented. 相似文献
8.
Gabriel L. Schlomer H. Harrington Cleveland Mark E. Feinberg Jessica L. Murray David J. Vandenbergh 《Journal of research on adolescence》2021,31(1):189-203
The most extensively studied influence on adolescent conduct problem behaviors is peers, and the literature points to genetics as one source of individual differences in peer influence. The purpose of this study was to test the hypothesis that an environmental sensitivity genetic index comprised of DRD4, 5‐HTTLPR, and GABRA2 variation would moderate the association between peer and adolescent conduct problems. Latent growth modeling was applied to PROSPER project longitudinal data from adolescents and their peers. Results showed the hypothesis was supported; adolescents with more copies of putative sensitivity alleles were more strongly influenced by their peers. The interaction form was consistent with differential susceptibility in follow‐up analyses. Strengths and weaknesses of genetic aggregates for sensitivity research are discussed. 相似文献
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Norman Gabriel 《Children & Society》2021,35(1):48-61
This article begins by discussing ‘developmentalism’, one of the key debates that has characterised the current theoretical impasse in the development of childhood studies. I use Norbert Elias's concept of the relation between love and learning as a foundation to develop the way in which young children's development is a non-linear, temporal and embodied process. I argue that we need to develop a relational approach that moves beyond some of the binary divisions between ‘nature’ and ‘biology’, drawing on concepts from particular theoretical traditions that have been under-utilised, particularly the relational school of psychoanalysis and the work of Maurice Merleau-Ponty. 相似文献