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为研究多层次资本市场体系下中国各股市板块之间信息效率的差异,基于带噪声的股价偏调整模型,运用Kalman滤波工具,选取价格调整参数和平均相对离差指标,分别从动态和静态两个视角考察了我国证券市场的信息效率,并将我国两个证券交易所的主板、中小板、创业板的信息效率与纽约证券交易所和纳斯达克交易所进行了比较。结果显示,我国各板块证券市场之间的信息效率相较美国的两个交易所过于相似,这说明我国的证券交易所市场并未达到市场微观结构的差异化。最后,在此基础上为中国证券市场的多层次化建设提出了相应建议。 相似文献
32.
转板是指根据信息披露质量、财务规模、股份构成等情况,公司可以在不同证券市场或同一证券市场不同层次市场之间转换上市或挂牌进行股份交易或转让。转板机制是我国当前加紧构建的多层次资本市场的核心制度。一个真正的多层次资本市场,不同板块之间的直接转板机制应该是畅通的。我国《证券法》目前对于转板存在一定的法律障碍。鉴于实际操作中还不允许转板,不利于多层次资本市场的建设,也不利于交易(场)所之间的竞争,因此,建议在修改《证券法》时扫除转板的法律障碍,增加转板的有关规定。 相似文献
33.
The impact of transformational leaders on employee health and well-being has received much attention. Less research has focused on the relationships between transformational leaders and followers’ sickness absenteeism. Transformational leaders promote a group climate that may lead to absenteeism, especially among vulnerable employees (those with high levels of presenteeism). In the present study we examined the relationships between presenteeism, group-level transformational leadership and sickness absence rates in a three-year longitudinal study of postal workers and their leaders in Denmark (N?=?155). Group-level transformational leadership in year 1 predicted sickness absenteeism in year 2, but not in year 3. In examining conditions under which transformational leadership may be linked to higher levels of sickness absenteeism, we found that presenteeism in year 1 moderated the link between transformational leadership in year 1 and sickness absenteeism in year 3, such that followers working in groups with a transformational leader and who were high in presenteeism reported higher levels of sickness absenteeism. Our results suggest a complex picture of the relationship between transformational leadership and sickness absenteeism; transformational leaders may promote self-sacrifice of vulnerable followers by leading them to go to work while ill, leading to increased risks of sickness absence in the long term. 相似文献
34.
Deanna Paulin 《Work and stress》2016,30(2):132-151
Adopting a multilevel approach, this study extends the current understanding of workplace incivility by examining the cross-level associations between team climate for incivility, team size and team norms with regard to competitiveness on employees’ well-being associated with incivility at work. Using a sample of 637 employees nested in 50 work teams, the results revealed a direct negative effect of uncivil team climates on employee job-related affective well-being, over and above employees’ personal experience of uncivil behaviour. As hypothesized, competitive norms significantly moderated the negative effect of experienced incivility on affective well-being, suggesting that competitive team environments may buffer the negative consequences of workplace incivility through a team sensemaking process. Utilizing Social Comparison Theory (comparing how they are treated) and climate strength literature, this study also found team size to be a significant moderator of the incivility–well-being relationship, with members of smaller work teams experiencing more detrimental effects of uncivil acts. Together, these findings suggest that the magnitude of the negative effect of uncivil behaviour is dependent on the composition and incivility climate of work teams. The results of this study have important implications for designing individual- and team-level interventions aimed at addressing uncivil behaviour and climates in the workplace. 相似文献
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鄱阳湖生态经济区社会经济发展评价指标多,体系庞大复杂。为此,运用多级模糊综合评判方法,构建了鄱阳湖生态经济区社会经济发展综合指数多级模糊综合评判模型,并运用该模型对2010年鄱阳湖生态经济区社会经济发展状况进行分析,得到的结果较好地说明了该年区内自然生态、社会和经济建设进展情况。 相似文献
37.
Javier Álvarez-Gálvez 《Revista de Psicología Social》2014,29(3):401-429
This paper analyses the association between TV news consumption and public attitudes towards immigration. A multi-level model is used to study the complex relationship between TV news consumption, how the media treat immigration and public attitudes towards minority groups based on a survey of university students. Multi-level analysis results show the impact of aggregate consumption of TV news on the perception of the current immigration phenomenon and the cognitive/affective components of attitude. It also demonstrates the usefulness of this analytical approach for understanding the processes that describe the relationship between the media and attitudes towards immigration. 相似文献
38.
杨业中 《西安建筑科技大学学报(社会科学版)》2014,(3):40-45
大力发展多层次资本市场,是我国当前经济结构调整的需要,也是我国资本市场自身建设的目标,首先阐述了我国发展多层次资本市场的现实意义,然后分析了我国多层次资本市场的发展现状及存在的问题,最后对我国多层次资本市场建设提出了对策与展望,以为研究我国多层次资本市场发展提供借鉴. 相似文献
39.
赵培 《北京航空航天大学学报(社会科学版)》2010,23(6):117-120
通过对中西学者学习自主研究的回顾和讨论,提出中国的大学英语学习者自主必须首先满足学习者个体对多层次可自主选择学习资源的需求,否则,学习者自主只能局限于学习者自觉学习和自我管理能力的讨论,无法体现大学英语学习的"个性化"要求。 相似文献
40.
吴志远 《江西农业大学学报(社会科学版)》2012,11(3):75-81
多层次信贷市场建设与融资性担保体系的完善有着多重关系.融资性担保体系运行与政府、中小金融机构及中小企业等经济主体息息相关.现实中融资性担保体系发展还存在诸多问题和困境,需要从多方面着手分阶段、分步骤地加以解决. 相似文献