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81.
82.
D. E. Campbell 《Social Choice and Welfare》1989,6(4):325-329
Arrow's impossibility theorem has been proved for the realm of private goods and economic preferences by Border and by Bordes and Le Breton. However, their proofs require the exclusion of the zero vector from the commodity space. This paper proves the impossibility theorem for the entire allocation space and the classical domain of economic preferences by adding effectiveness to Arrow's hypothesis. Social preference is effective if every nonempty compact set contains at least one socially optimal allocation.Financial support from the Social Sciences and Humanities Research Council (Canada) is gratefully acknowledged. The comments of an anonymous referee were much appreciated. The author assumes responsibility for any errors. 相似文献
83.
Public relations practitioners in this study who perceived social media (e.g., blogs) to be a normal part of their organization's day-to-day communication were less likely to choose an accommodating stance toward a key public than practitioners in “low-tech” conditions. Forty-three practitioners with a mean of 14.5 years professional experience participated in a 2 × 2 (contingencies for dialogue × technological orientation of organization) experiment. The data reveal a disconnect between the potential relational benefits of social media and the stance public relations practitioners in this study chose when social media were introduced as a regular part of their working environment. 相似文献
84.
This paper presents a conceptually distinct analysis of the data first reported by Leather et al. Specifically, it investigates the effects of exposure to a variety of forms of work-related violence upon work attitudes and general well-being within a sample of UK public house licensees—individuals who manage public houses and hold the licence permitting the sale of alcoholic drinks on the premises. In addition, it examines the role of social support in moderating such effects. Based upon a sample of 242 licensees, it reports a consistent interaction between exposure to such violence and the availability of perceived intra-organizational support in determining the size of any negative effects upon individual well-being, job satisfaction and organizational commitment. It is argued that exposure to all forms of work-related violence, including intimidation, verbal abuse and threat, should be seen as a potential stressor within the work environment, the negative effects of which are buffered by perceived support from within the organization, but not by that perceived to be available from informal sources such as family and friends. 相似文献
85.
86.
David A. Campbell 《Nonprofit management & leadership》2008,19(2):221-241
This article explores the decision‐making process nonprofit organizations use to determine whether to pursue merger or other forms of interorganizational restructuring. The research uses a case study design, analyzing four examples of interorganizational restructuring. The findings describe both the structure and the characteristics of the processes used in four cases. The research found that the decision‐making processes used in the four cases had several core elements. Participants in restructuring customized decision‐making processes to meet their needs, and power dynamics shaped those processes. Findings about the characteristics of the process emphasize the importance of communication and trust. How partners used power affected the decision‐making process and had implications for postmerger success. Decision‐making processes for cases involving two partners exhibited characteristics that were different from those involving multiple partners. Future research should consider the role of trust in restructuring decisions and the responsibilities of board and staff in the restructuring assessment process. 相似文献
87.
88.
Lisa Strohschein Anne H. Gauthier Rachel Campbell Clayton Kleparchuk 《Journal of marriage and the family》2008,70(3):670-683
In this paper, we tested the resource dilution hypothesis, which posits that, because parenting resources are finite, the addition of a new sibling depletes parenting resources for other children in the household. We estimated growth curve models on the self‐reported parenting practices of mothers using four waves of data collected biennially between 1994 and 2000 on a nationally representative sample of 2,082 Canadian children aged 2 to 5 at initial interview and in continuously intact, two‐biological‐parent households. Results showed that when new children were added to the household, mothers exhibited declines in positive interaction, but increased their levels of consistent parenting. Taken together, these findings suggested that parenting resources were reallocated, rather than diluted, when family size increased. 相似文献
89.
Given observations on an m × n lattice, approximate maximum likelihood estimates are derived for a family of models including direct covariance, spatial moving average, conditional autoregressive and simultaneous autoregressive models. The approach involves expressing the (approximate) covariance matrix of the observed variables in terms of a linear combination of neighbour relationship matrices, raised to a power. The structure is such that the eigenvectors of the covariance matrix are independent of the parameters of interest. This result leads to a simple Fisher scoring type algorithm for estimating the parameters. The ideas are illustrated by fitting models to some remotely sensed data. 相似文献
90.
In the presence of Pareto, non-dictatorship, full domain, and transitivity, an extremely weak independence condition disallows
both anonymity and neutrality. 相似文献