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41.
Peter M. Wiedemann Holger Schuetz Franziska Boerner Martin Clauberg Rodney Croft Rajesh Shukla Toshiko Kikkawa Ray Kemp Jan M. Gutteling Flavia N. da Silva Medeiros Julie Barnett 《Risk analysis》2013,33(10):1788-1801
In the past decade, growing public concern about novel technologies with uncertain potential long‐term impacts on the environment and human health has moved risk policies toward a more precautionary approach. Focusing on mobile telephony, the effects of precautionary information on risk perception were analyzed. A pooled multinational experimental study based on a 5 × 2 × 2 factorial design was conducted in nine countries. The first factor refers to whether or not information on different types of precautionary measures was present, the second factor to the framing of the precautionary information, and the third factor to the order in which cell phones and base stations were rated by the study participants. The data analysis on the country level indicates different effects. The main hypothesis that informing about precautionary measures results in increased risk perceptions found only partial support in the data. The effects are weaker, both in terms of the effect size and the frequency of significant effects, across the various precautionary information formats used in the experiment. Nevertheless, our findings do not support the assumption that informing people about implemented precautionary measures will decrease public concerns. 相似文献
42.
In this paper, a simulation experiment has been developed to examine the combined influence of the design, inventory and environmental factors on the cost performance of a rolling horizon master production schedule. Specifically, a 2 5 factorial design was used to examine the effects associated with three rolling schedule design policies, one inventory policy and one environmental condition of forecast error on MPS cost performance. The study was based on actual data from a paint company. Results suggest that the choice of appropriate lot-size and inventory policies have a significant influence on MPS costs and that there are indeed important interactions between these policies and other design factors of a rolling schedule. 相似文献
43.
Simon J. T. Pollard Ray V. Kemp Mark Crawford Raquel Duarte-Davidson James G. Irwin Roger Yearsley 《Risk analysis》2004,24(6):1551-1560
Environmental policymakers and regulators are often in the position of having to prioritize their actions across a diverse range of environmental pressures to secure environmental protection and improvements. Information on environmental issues to inform this type of strategic analysis can be disparate; it may be too voluminous or even absent. Data on a range of issues are rarely presented in a common format that allows easy analysis and comparison. Nevertheless, judgments are required on the significance of various environmental pressures and on the inherent uncertainties to inform strategic assessments such as “state of the environment” reports. How can decisionmakers go about this type of strategic and comparative risk analysis? In an attempt to provide practical tools for the analysis of environmental risks at a strategic level, the Environment Agency of England and Wales has conducted a program of developmental research on strategic risk assessment since 1996. The tools developed under this program use the concept of “environmental harm” as a common metric, viewed from technical, social, and economic perspectives, to analyze impacts from a range of environmental pressures. Critical to an informed debate on the relative importance of these perspectives is an understanding and analysis of the various characteristics of harm (spatial and temporal extent, reversibility, latency, etc.) and of the social response to actual or potential environmental harm from a range of hazards. Recent developments in our approach, described herein, allow a presentation of the analysis in a structured fashion so as to better inform risk‐management decisions. 相似文献
44.
In this study the authors used data from a survey of Canadian nonprofit organizations to empirically test hypotheses derived from models of nonprofit board “life cycles.” The authors suggest that while formal structural elements of board behavior change in the manner suggested by life-cycle models, the more enacted or behavioral aspects of nonprofit boards do not. The data further suggest caution in the use of life-cycle or age-dependent models to either explain or guide nonprofit board behavior. 相似文献
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46.
Recent attempts to announce the death of the family as a useful analytical category for sociologists are rebutted as being premature. The tendency to view household relations as family relations or, indeed, couple or gender relations as family relations seems to have arisen in the early 1970s. Earlier attempts to construct an empirically grounded analysis of family relationships have been curiously neglected. An account of one family on the Isle of Sheppey in Kent provides some illustrative ethnography on both the positive uses of family members-particularly siblings - and on the way the social boundaries of this family are constructed by its members. It is argued that the family is best understood as a system of relationships that change over time. There is a curious lack of systematic ethnography of contemporary family relationships so that what is taught to students as the sociology of the family may be widely at variance with their own personal experience. This may be partly a result of relying too much on random surveys of households at the expense of detailed explorations of existing patterns of social relationships and social meanings. Developing theoretical arguments on the basis of inadequate or inappropriate ethnography is evidently a dangerous and misleading exercise. 相似文献
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48.
This paper represents an initial attempt to bring together the literature on neogamy among older persons and to provide a conceptual framework for its understanding. To do so, converging demographic and social factors regarding older persons as they relate to the need for and the expression of intimate relationships are explored. Next the existence and implications of new forms of intimacy among older persons are examined. Finally, some attention is given to the impact of these issues with regard to research, counseling, and public policy. 相似文献
49.
The primary aim of this paper is to examine whether resources accruing to different members of the household and from different
sources have differential impacts on household expenditure patterns. The issue is of considerable policy interest for, if
the identity of the income recipient does matter in the household’s expenditure decisions, then it indicates the usefulness
of targeting income assistance at particular members of the household. The South African evidence is generally supportive
of the hypothesis of resource pooling by the income earners in their spending decisions on food, clothing and energy. The
results of this paper have been placed in the wider context of social, political and economic developments following the end
of apartheid that have caused significant changes in the nature of resource inflow and in the balance of power in decision
making within the South African household. The results are indicative of improvements in the standard of living of the majority
of South Africans following the end of apartheid.
相似文献
Ranjan RayEmail: |
50.