社交网络、投资者关注与股价同步性

随着以微博、微信为代表的社交网络信息平台在中国的崛起,形成了新媒体时代下信息资讯生成与扩散的完整传播链条,深刻地影响着金融市场参与主体的学习认知习惯、投资决策理念、交易行为模式,最终影响不同金融资产的价格波动规律． 本文在新媒体时代情景下,以社交网络信息披露与传播平台为切入点,基于信息关注度、信赖度、更新频率等三层维度,构建社交网络微博信息质量指标体系,研究社交网络信息质量与股价同步性的内在关联关系． 研究表明: 微博信息质量与股价同步性有着显著的高度负向线性关联性,并且呈现出非线性 U 型关系． 即随着社交网络信息质量水平的提升,股价同步性逐渐降低到达最小值,而后又逐渐提高． 研究结论为证明上市公司社交网络微博平台对股价同步性有较强影响力,提供了中国金融市场的证据．     

生产还是消费——中国股市生产资本资产定价模型实证检验

生产资本资产定价模型从企业利润最大化角度出发,推出资产的均衡价格.相较于消费资本资产定价模型,生产资本资产定价模型能更好的满足信息完全和决策者理性的假设条件.本文从生产资本资产定价模型出发,利用现值模型将生产的系统性风险因子,即生产的贝塔因子分解为现金流贝塔和折现率贝塔,并采用社会总投资和股市数据进行实证检验.本文发现生产-现金流贝塔是中国股市的重要定价因子,可较好地解释股权溢价的截面差异.相比之下,消费资本资产定价模型对不同资产之间风险溢价的解释能力较弱.     

Living with the parents: the purpose of young graduates’ return to the parental home in England

Young graduates in England often return to the parental home after a period of living away during their university studies. Little is known, however, about why they return and how coresidence with parents fits within a life trajectory. This paper reports upon an in-depth cross-sectional qualitative study of young graduates’ coresidence with their parents. It identifies a five-part typology of the purpose of coresidence as perceived by the graduates: a base camp for exploration before settling into adulthood; a launch pad for careers; a savings bank, in particular for future property purchases; a refuge for respite and reflection; and a preferred residence, whether on account of comfort, cultural practice or to support parents. The paper further explores how far these purposes were associated in young adults’ accounts with social structures, individual agency or some combination of these. It concludes that the default understanding of graduates’ return and coresidence as a residual function when other options fail is insufficient. Such a generalisation obscures the different purposes which the return can enable; it overplays some notion of a broken biography rather than the positive contribution of coresidence to graduates’ trajectories towards adulthood and to their life experiences.     

‘There it will be better … ’: Southern Sudanese in Khartoum imagining a new ‘home’ away from ‘home’

At the time of the research, Khartoum was a multi-ethnic and multinational metropolis of 8 million people. A considerable part of the population consists of Southern Sudanese migrants and displaced persons that came during the 20 years plus of civil war in South Sudan to the capital. These people were categorised after the Comprehensive Peace Agreement (CPA), as displaced people regardless as to whether they come to the capital as labour migrants, students or because of the war to the capital. The notion of displacement assumes that they are people who are ‘out of place’: thereby assuming a former situation of being in place, a place that can be called ‘home’. After the CPA from 2005, this frequently only imagined home became a real place for the IDP’s to which they are supposed to go back. Yet, many migrants and displaced people are reluctant to move to Southern Sudan. Their decision about going to the South or staying in Khartoum depends not only on the opportunities and perspectives in their respective ‘home’ areas but also on the perceptions of belonging and identity. The imaginations and aspirations about the future life in South Sudan, which I analyse in this article, reflect this ambivalent positioning.     

CAPM模型对我国股市的实证分析

本文以我国股票市场为研究对象,选用2007年1月—2010年12月的月度时间序列数据,分别进行了单位根检验和回归分析,结果表明:在该段时间内,CAPM在我国的股票市场是有效的,并且个股的收益率与市场组合收益率呈正相关关系,通过对截距项的分析,比较了各个股票预期与实际收益率的差别,对投资者具有一定的指导意义。     

略述唐代营州的经济

营州是唐王朝在东北地区的重镇,是东北地区的政治、军事、经济中心。营州农业发展并不落后,先进生产工具的使用,促进了营州农业的深耕细作,扩大了耕地面积,促进了营州农业的发展。营州地区多民族杂居生活,畜牧业比较发达,尤以养马业最为兴盛。营州的手工业以制陶业为主。唐代营州商业发展很快,商品经济在社会经济生活中占有相当重要的地位,营州与西方国家有着频繁的贸易往来。唐王朝发展经济的政策和营州重要的地理位置客观上推动了营州经济的发展。朝阳地区出土的唐代文物,为我们研究营州经济提供了丰富的实物资料。     

公司相互持股法律问题研究

公司相互持股是公司间互相持有对方的股份,成为彼此的股东。相互持股在某种程度上可以促进规模经济的发展,但是它也会给现行法律带来许多制度构架和适用上的问题。世界各国或地区的法律大都对公司相互持股有所规制,以期尽可能减少公司相互持股对经济发展和法律制度的不利影响,而发挥其有利的作用。     

《我的安东妮亚》“回归主题”的多重分析

在薇拉·凯瑟小说《我的安东妮亚》第四卷结尾处,主人公吉姆.波顿出人意料地离弃了他的恋人安东妮亚,20年后又返回西部大草原看望她。吉姆的这一"离"一"回/归",多年来一直是学术界关注的焦点。许多学者纷纷从各种视角,如女性主义、酷儿理论或生态文学解读吉姆的"回归"。但是,综观国内外学者对该作品的研究,笔者发现他们只是从单一视角去研究分析该作品的"回归主题",因此,本文将从精神分析、文化研究、女性主义和生态批评等视角对该主题进行多重分析。     

Federated searching and usability testing: Building the perfect beast

With the ubiquity of federated search tools as viable solutions for students and researchers to search across external sources and internal repositories, users have become more sophisticated in their application of this technology. With the goal of optimizing the user experience of its newly introduced federated search offering, Endeavor Information Systems employed usability testing to gain insights into the critical requirements of librarians and information professionals for this solution. The results of this analysis, conducted in concert with market research and customer focus groups, and their relevance to Endeavor's federated search technology are the focus of this article.     

论中国企业的人才管理新思维

随着全球一体化经济和科学技术的迅猛发展，“人才管理”逐渐在中国落地生根，但在企业的实践中却遇到了许多问题，此时中国企业急需寻求更加科学、高效、低成本的人才管理方法，以满足企业发展对人才的需求。