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111.
The estimation of the mixtures of regression models is usually based on the normal assumption of components and maximum likelihood estimation of the normal components is sensitive to noise, outliers, or high-leverage points. Missing values are inevitable in many situations and parameter estimates could be biased if the missing values are not handled properly. In this article, we propose the mixtures of regression models for contaminated incomplete heterogeneous data. The proposed models provide robust estimates of regression coefficients varying across latent subgroups even under the presence of missing values. The methodology is illustrated through simulation studies and a real data analysis. 相似文献
112.
"印太"概念经历了从地缘术语向战略构想的演变,且域内各国基于本国利益塑造"印太"构想的进程尚未结束,这使得相关研究需要不断转换视角并注重动态追踪。莫迪执政后,印度和日本升级两国战略伙伴关系,完善各层级对话机制,共同推动区域连通性与基础设施建设,并提出"亚非增长走廊"愿景。在深化海洋安全合作的基础上,实现军事演习全面覆盖与装备技术合作的纵深发展,注重地区问题的立场协调与强化美印日、美印日澳等多边磋商机制。"印太"发展契机、两国战略目标驱动、制衡中国需求以及美国战略推动构成了印日战略合作的基本动因。得益于双方战略对接的深入和适宜的国内政治环境,印日深化战略合作的势头还将持续,表现在防务合作模式的多元化和加速布局"印太"基建项目的趋势。国内条件限制、"印太"战略差异以及国际局势影响等制约性因素也给两国合作前景带来挑战。 相似文献
113.
Gareth Thompson 《Public Relations Review》2019,45(2):267-274
The project investigates the use of documentary film as a public relations tool by the United Nations (UN) for worldwide promotion of its first peacekeeping intervention in response to the Suez crisis of 1956. Specifically, it undertakes a historical investigation into the communicative purpose of the 1957 documentary film, The Blue Vanguard, which was made by the UN Department of Public Information (UNDPI). Beyond the interest connected with the intervention in the Suez crisis, the film is significant in the history of the UN’s global public relations since it was one of the first films made for the UN by UK film director, Thorold Dickinson, who arrived as Chief of Film at the UN in October 1956.The author argues that Thorold Dickinson used the documentary to make a radical public information proposition to a global audience on behalf of the United Nations. Specifically, the public relations discourse and cinematicity in The Blue Vanguard reminded a global audience that achieving peace required a new level of cultural tolerance and global co-operation, involving codes of judgement beyond the nationalistically-determined registers of the time. 相似文献
114.
莫小丽 《云南大学学报(社会科学版)》2020,19(5):5-14
现实的人是马克思新哲学的出发点和落脚点,同时也是马克思对整个思想史上各种“片面人”的颠覆性阐释,是唯物史观与唯心史观和经验论决裂的标识。它不同于性恶论或性善论或既无善亦无恶论,也不同于黑格尔的“绝对精神”的人,更不同于费尔巴哈的“类”。与黑格尔思想及其青年黑格尔派和费尔巴哈等人思想交锋的过程中,马克思分别通过以所有制为轴线动态考察历史发展和以分工为轴线静态考察社会的结构性存在两条线索来阐释“现实的人”的内涵,并以生产工具为红线,对资本主义社会下“现实的人”的静态结构和动态发展予以微观透视。由此,按照唯物史观的基本立场、观点和方法来说,以经济决定政治、政治决定文化的序列构成的结构性存在来解释人才是马克思所谓的“现实的人”。 相似文献
115.
Scholastica Ngozi Atata 《Journal of women & aging》2019,31(3):231-247
Belief in the existence of witchcraft has remained a social phenomenon in Igbo society, especially with aged women who are often labeled witches. This study is exploratory and explains the implication of labeling an aged woman a witch and social relations in Igbo society in South-Eastern Nigeria. Twenty interviews were conducted with aged women who are victims of the witchcraft label and their relatives using qualitative methods of data collection, key informant interviews, and in-depth interviews. Data collected were analyzed using ethnographic content analysis. Findings reveal different social views attached to witchcraft and how it relates to aged women. 相似文献
116.
This study examined how Turkey uses social media as a tool for public diplomacy and how the state’s soft-power efforts have recently changed on the global stage. The researchers constructed a dataset of 2769 Twitter posts by the Turkish government’s most influential public diplomacy accounts. The analyses revealed that the focus of Turkey’s Twitter public diplomacy has become concentrated on the Middle East and North Africa (MENA) region and is thematically focused on the political values embodied by the Turkish president. The findings suggest that public diplomacy remains to be the diplomacy of the government, not of the public, and social media is used as just another tool for propaganda, not as a means of engagement with foreign publics. Further, the findings indicate the emergence of a “new” cult of personality in public diplomacy and point out the instrumental role of social media in changing the dynamics of leader-follower relationship. The study contributes to public relations theory and practice by advancing the burgeoning public diplomacy scholarship at the intersection of social media and relational approaches. 相似文献
117.
Rossana Cillo 《Globalizations》2019,16(4):457-471
ABSTRACTAfter the Fiat-Chrysler merger in 2009, CEO Sergio Marchionne imposed a drastic reorganization of labour relations in Italy’s plants, precipitating a profound crisis of the system of industrial relations in the country. But between 2015 and 2017 a significant section of workers at Melfi, Atessa and Termoli plants went on strike against compulsory overtime and labour intensification, establishing links with grassroots unions that successfully organized in logistics. The metalworkers’ union FIOM-CGIL, however, delegitimized the union representatives who resisted Marchionne’s plans. In this article, we trace the context and development of these still little-known strikes. Because of their growing institutionalization, we argue, the confederal unions (CGIL, CISL, UIL) have both failed to mobilize workers and repressed workers’ attempts to resist the deterioration of their conditions. The strikes at FCA and in logistics, however, show that new forms of radical unionism are emerging, pointing to new possibilities for working-class organizing. 相似文献
118.
《Public Relations Review》2022,48(1):102141
To further the understanding of how communication executives make tough calls in times of organizational-public conflict, we use a conjoint analysis to identify key drivers for organizational stance decision-making. This is the first-ever conjoint analysis applied to advancing the contingency theory of strategic conflict management by examining the relative importance of key contingency factors as determined by practitioners with varied individual characteristics. This study investigates: 1) the relevant importance of and dynamics between three key contingency factors (i.e., external threats, organizational characteristics, and dominant coalition characteristics); 2) the influence of individual characteristics (e.g., gender, experience, and personal ethics) in stance decision-making process; and 3) how different types of organizational stances (i.e., general stance, action-based accommodation, and qualified-rhetoric-mixed accommodation) are determined by these contingency factors and individual characteristics in different conflict situations. Results generated among our communication executive participants include: individual characteristics (i.e., gender, ethics and social responsibility, whistleblowing tendencies, and over 20 years in the communications field) are influential for their strategic conflict management decision-making. Implications for refining the contingency theory and unearthing complex public relations decision-making processes via novel statistical techniques are discussed. 相似文献
119.
Rie Makita 《Development policy review : the journal of the Overseas Development Institute》2012,30(1):87-107
This article analyses the impact of Fair Trade certification by focusing on its interactions with the patron–client relations traditionally established between management and workers in tea plantations in India. It argues that the invisibility of Fair Trade among workers, which generally reinforces existing patron–client relations through Fair Trade premiums, inversely hides the patronage of the management, and that workers are empowered when a premium is invested in a community development project led by an independent third‐party organisation. 相似文献
120.
We investigated specific award-winning public relations efforts to derive best practices that bridge industry practices with academic research and pedagogy. The data for this project were the winning entries for the annual Public Relations Society of America's (PRSA) Silver Anvil Award, which is considered the top award recognizing excellence in public relations. We found, however, that the archive of award winners does not provide sufficiently definitive information about what defines any public relations discourse genre or why any genre as used is “excellent.” This archival research provides us with a key rationale for employing rhetorical, narrative, and linguistic theories prospectively to guide public relations message design and planning, theories which hitherto have been used to judge campaigns post hoc or retrospectively. 相似文献