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71.
 In this paper we introduce harmonic analysis (Fourier series) as a tool for characterizing the existence of Nash equilibria in two-dimensional spatial majority rule voting games with large electorates. We apply our methods both to traditional proximity models and to directional models. In the latter voters exhibit preferences over directions rather than over alternatives, per se. A directional equilibrium can be characterized as a Condorcet direction, in analogy to the Condorcet (majority) winner in the usual voting models, i.e., a direction which is preferred by a majority to (or at least is not beaten by) any other direction. We provide a parallel treatment of the total median condition for equilibrium under proximity voting and equilibrium conditions for directional voting that shows that the former result is in terms of a strict equality (a knife-edge result very unlikely to hold) while the latter is in terms of an inequality which is relatively easy to satisfy. For the Matthews [3] directional model and a variant of the Rabinowitz and Macdonald [7] directional model, we present a sufficiency condition for the existence of a Condorcet directional vector in terms of the odd-numbered components of the Fourier series representing the density distribution of the voter points. We interpret our theoretical results by looking at real-world voter distributions and direction fields among voter points derived from U.S. and Norwegian survey data. Received: 7 July 1995 / Accepted: 14 May 1996  相似文献   
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La fragmentation de la production au sein de réseaux mondiaux n'obéit pas seulement à l'avantage comparatif, mais aussi aux décisions de localisation des entreprises dominantes en fonction de la capacité de négociation des producteurs locaux et du rôle qu'elles leur assignent dans la chaîne de production. Les auteurs examinent les conséquences de cette spécialisation dans le textile et l'habillement, pour vingt‐six pays où l'offre de main‐d'?uvre est abondante, sur la période 1990–2007. L'étude économétrique montre que le secteur ne tire pas toujours bénéfice de l'intégration commerciale: on observe plutôt une association négative entre spécialisation verticale et salaires réels.  相似文献   
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In a majority rule voting game, the uncovered set is the set of alternatives each of which can defeat every other alternative in the space either directly or indirectly at one remove. Research has suggested that outcomes under most reasonable agenda processes (both sincere and sophisticated) will be confined to the uncovered set. Most research on the uncovered set has been done in the context of voting games with a finite number of alternatives and relatively little is known about the properties of the uncovered set in spatial voting games.We examine the geometry of the uncovered set in spatial voting games and the geometry of two important subsets of the uncovered set, the Banks set and the Schattschneider set. In particular, we find both general upper and lower limits on the size of the uncovered set, and we give the exact bounds of the uncovered set for situations with three voters. For situations with three voters, we show that the Banks set is identical to the uncovered set.  相似文献   
76.
This article explores the policy and organizational drives towards cooperation and merger within the voluntary sector. We draw together theoretical and empirical literature on the topic and identify six factors which may be hypothesized to be associated with a decision to cooperate in the voluntary sector: adverse macro-economic conditions; the search for an organizational niche; severe resource dependency; a drive for organizational growth; funders' concern about duplication of provision; and perceived crisis. We then present a case study which provides detailed data about the circumstances leading to a decision to merge by several independent voluntary agencies working in the HIV/AIDS field. We analyse the multiplicity of factors which drove the agencies and the complex interrelationships between those factors. Policy pressures, pragmatism and the personal values of key managers are found to be particularly important. Finally, we consider the implications of our study for policy analysis and future research.  相似文献   
77.
ABSTRACT This paper seeks to explore the ways in which black children who have been maltreated within their families come to voice to tell their stories. A discussion of black children's recovery from maltreatment necessitates understanding how they interpret and name their experiences as abusive. Research indicates that while many factors mediate the effects of abuse on children's development, telling your story about childhood trauma is critical in the healing process for promoting psychological well‐being. However, what does the naming and speaking of trauma entail for black children when the broader context of their lived realities is embedded in racism that confers on them a stigmatized status? Where black children's lived experiences encompass the complexity of societal racism as a mutually reinforcing and contradictory reality in their lives, their capacity to name the maltreatment they experience will be particularly problematic. Essentially, parents’ issues silence children and can encourage them to block out painful emotions, ultimately putting their emotional and psychological well‐being at risk. Taking race and gender as benchmarks for analysis, the complexities involved in giving voice to childhood maltreatment are discussed to consider how these dynamics contribute to black children's resilience and adaptive behaviours in the aftermath of abuse.  相似文献   
78.
If politics is the art of the possible, then determining what the public will tolerate is an important step in the design of prevention strategies. In this random survey of 1205 residents of country and urban areas in Western Australia, attitudes towards drinking and driving, drink-driving behaviour, and opinions of countermeasures were examined. Drink-driving was seen as an important issue for the community and there was a perception that something needed to be done. Drinking and driving was a well-established behaviour, but there was evidence that for many people ‘other’ people constitute the drink-driving problem. There were popular and unpopular preventives, but, interestingly, those that were deemed popular were often believed to be less effective than those that were less popular. The policy implications of these findings are considered, particularly in the light of the current implementation of random breath testing in Western Australia.  相似文献   
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In many parts of the world, and in at least three states in Australia, the last decade has seen a resurgence of interest in worker co-operatives as a response to high levels of unemployment. Significant determinants of the degree of success of worker co-operatives are the attitudes of powerful people and organisations in the community. This study documents the attitudes of politicians and political parties, public servants, representatives from business, trade unions, churches and cooperatives in Queensland. Despite the history of co-operatives and the persistent efforts of some informal groups to work co-operatively in Queensland, no strong commitment to the concept of worker co-operatives was found. Attitudes might best be described as varying between disinterested and hostile. Those committed to the development of worker co-operatives in Queensland will have to engage these critical attitudes as part of any development process.  相似文献   
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