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1.
2.
Arrow's axioms for social welfare functions are shown to be inconsistent when the set of alternatives is the nonnegative
orthant in a multidimensional Euclidean space and preferences are assumed to be either the set of analytic classical economic
preferences or the set of Euclidean spatial preferences. When either of these preference domains is combined with an agenda
domain consisting of compact sets with nonempty interiors, strengthened versions of the Arrovian social choice correspondence
axioms are shown to be consistent. To help establish the economic possibility theorem, an ordinal version of the Analytic
Continuation Principle is developed.
Received: 4 July 2000/Accepted: 2 April 2001 相似文献
3.
李乐 《西南交通大学学报(社会科学版)》2008,9(5):69-71,106
随着照相手机、数码相机以及网络的盛行,人们已经进入了"读图时代",由此产生了各种失实图片.对新闻摄影行业和新闻真实性原则造成了巨大冲击.为此,在"读图时代"只有坚持和维护新闻摄影的真实性原则,强化新闻从业人员的职业道德修养和专业素养,建立健全完善的行业相关机制,以法律人,才能创造一个良好的媒体环境. 相似文献
4.
Margarita Azmitia Catherine R. Cooper Eugene E. García Nora D. Dunbar 《Social Development》1996,5(1):1-23
This two-part study applied an ecocultural perspective to socialization of daily and long-term goals in low-income Mexican-American and European-American families with children in third, fifth, and seventh grades. The first part of the study examined family members' participation and parents' socialization goals and guidance strategies for their children's daily household chores and homework activities. The second part of the study examined parents' long-term aspirations and guidance strategies for their children's educational, vocational, and moral development. For daily activities, results showed that in Mexican-American families both parents and siblings played important roles, whereas in European-American families parents were the primary socialization agents. As predicted, in both groups parents' expertise influenced their guidance strategies. Finally, Mexican-American and European-American parents differed in their relative endorsement of gender, relational, and self-reliance goals for household chores. For long-term goals, parents in both groups held high educational, vocational, and moral aspirations for their children. However, some parents of seventh-graders had lower educational and vocational aspirations than those of fifth- and third-graders. Although expertise consistently influenced Mexican-American parents' guidance strategies, the pattern for European-American parents was mixed. The discussion highlights between- and within-group differences in daily and long-term socialization practices with an emphasis on resources and vulnerabilities in the families. 相似文献
5.
西方资本主义生态现代化之路向是以全球性生态空间修复策略、时间修复策略掺杂生态霸权主义谋划而展现自身的生态叙事合法性的。它所证成的合理性,实质上不过是资本逻辑的生态隐性呈现及非正义剥夺。拒斥“资本丛林”成为新的生态文明创造的基本方向。从实践的生态本体论、认识论以及价值论出发,以构建“地球生命共同体”为鹄的,中国式现代化生态文明创造构筑了一个“人与自然是生命共同体”“人类命运共同体”“人与自然的生态伦理共同体”逐次展开的新路径。它摒弃人与自然对立关系的思维模式,建构了作为对象性的本质力量的生态主体性,塑造了以总体性环境正义为特征的伦理样态,实现了对资本主义生态空间生产的时代超越。中国式现代化生态文明创造的包容性与发展性为其能持续引领全球生态文明提供了可能。 相似文献
6.
The 2003 Heat Wave in France: Dangerous Climate Change Here and Now 总被引:14,自引:0,他引:14
In an analysis of the French episode of heat wave in 2003, this article highlights how heat wave dangers result from the intricate association of natural and social factors. Unusually high temperatures, as well as socioeconomic vulnerability, along with social attenuation of hazards, in a general context where the anthropogenic contribution to climate change is becoming more plausible, led to an excess of 14,947 deaths in France, between August 4 and 18, 2003. The greatest increase in mortality was due to causes directly attributable to heat: dehydration, hyperthermia, heat stroke. In addition to age and gender, combinatorial factors included preexisting disease, medication, urban residence, isolation, poverty, and, probably, air pollution. Although diversely impacted or reported, many parts of Europe suffered human and other losses, such as farming and forestry through drought and fires. Summer 2003 was the hottest in Europe since 1500, very likely due in part to anthropogenic climate change. The French experience confirms research establishing that heat waves are a major mortal risk, number one among so-called natural hazards in postindustrial societies. Yet France had no policy in place, as if dangerous climate were restricted to a distant or uncertain future of climate change, or to preindustrial countries. We analyze the heat wave's profile as a strongly attenuated risk in the French context, as well as the causes and the effects of its sudden shift into amplification. Research and preparedness needs are highlighted. 相似文献
7.
Family Emotional Support and the Individuation Process Among Asian‐ and Latino‐Heritage College‐Going Emerging Adults 下载免费PDF全文
This study examined whether discrepancies in emerging adults' perceptions of their own and their parents' value of education were associated with their individuation from family, and whether this relationship was mediated by family emotional support. A total of 82 Asian‐ and Latino‐heritage emerging adults completed a survey assessing their and their parents' value of education, family emotional support, and family engagement (our proxy for individuation). As predicted, larger discrepancies in the value placed on education were associated with less family engagement; this association was mediated by emerging adults' perceptions of family emotional support. These findings suggest that family emotional support may play an important role in the individuation process of Asian‐ and Latino‐heritage college‐going emerging adults. 相似文献
8.
以FDI与我国出口贸易品技术含量的关系作为切入点,选择通信设备、计算机制造业、医药制造业作为高新技术产业的代表,通用设备制造业、专用设备制造业作为传统制造业的代表。根据这4个行业1997—2011年利用外资与出口贸易品技术含量的数据,基于面板数据模型对高新技术产业和传统制造业FDI与出口贸易品技术含量之间的长期均衡关系及相关性进行实证分析。结果表明:高新技术产业利用外资与出口贸易品技术含量存在着长期均衡稳定关系,出口贸易品技术含量随着高新技术产业利用外资的增加而提高,并有明显的促进作用,而传统制造业利用外资对出口贸易品技术含量的影响有限。 相似文献
9.
Racial/Ethnic Disparities in Mental Health Service Use for Older Foster Youth and Foster Care Alumni
Margarita Villagrana 《Child and Adolescent Social Work Journal》2017,34(5):419-429
Studies have shown that foster care alumni have disproportionally high rates of poor mental health outcomes compared to the general population. The purpose of this study was to examine differences in mental health service use for Latino, African American, and White youth while in foster care and upon exit from the foster care system. Secondary data were used to identify youth 1 year prior to exiting the foster care system (N?=?934) and 1 year after exit from the foster care system (N?=?433). Racial/ethnic disparities in mental health service use upon exit from the foster care system were found, with Latino youth using the least amount of services after foster care exit. Racial/ethnic service disparities in type of services used were also found. Findings suggest that a lack of support (e.g., mandatory or voluntary) may be significant in overcoming challenges in the continuation or disruption of services. 相似文献
10.
Although the differential treatment of team members by their leader is at the heart of Leader–Member Exchange (LMX) theory, empirical studies exploring the role of within-team LMX differentiation in relation to team outcomes are still relatively scarce. This study among 269 Dutch secondary school teachers from 33 different teams tested the hypotheses that the relationship between LMX differentiation and team commitment, and team performance is moderated by LMX-quality median. Moreover, we hypothesized that team members' perceived dissimilarity regarding work values and orientations would be positively related to within-team LMX differentiation. Teachers completed questionnaires on LMX-quality, dissimilarity, and team commitment, whereas team performance was rated by school principals. Results indeed showed that LMX differentiation is positively related to both outcome variables in teams with a low LMX-quality median only. As expected, more perceived dissimilarity between team members was related to more within-team variability in LMX-scores. These results contribute to knowledge on hypothetical antecedents and consequences of LMX differentiation at the team level. 相似文献