扁平证券市场线和融资限制——中国股票市场的实证检验

资本资产定价模型（CAPM)在国际金融市场的实证检验结果往往呈现扁平证券市场线现象。一些学者认为融资限制是该现象的产生原因。本文旨在研究扁平证券市场线现象是否存在于中国股市,同时分析融资限制对中国股市证券市场线的影响。本文采用投资组合分析法对A股主板市场进行实证检验。本文研究发现：（1)扁平的证券市场线现象同样存在于中国股票市场中;（2)在中国股票市场中,融资限制与证券市场线的斜率呈负相关,与截距呈正相关,这符合融资限制理论;（3)以上两点发现同样存在于多因子定价模型中,这表明本文研究结果具有稳健性。       

渐失光辉的春节

春节就要来了，如今中国人过春节的心情是否还像过去一样兴奋呢？中国的农历新年是否已被纳入一个长期的商业盛会，带给商人巨大的利益，却带给消费者更少的欢乐？或许对一个外国人来说，问这些问题会有些无礼，但每年我让我的学生写点圣诞节和春节对比的时候，那些传统的观念常常被国外的思想围攻。     

从“傲游事件”看视频客户端深层价值

正推进视频广告发展的有效方法之一是利用自身优势,充分发掘不同用户的观看习惯,推送真正有针对性、用户不会屏蔽的广告。最近针对视频广告方面,傲游上演了一场"快进门"——60秒的广告能缩短至5秒播完。为此视频网和广告主们都绷紧了神经。是为用户谋福利推崇"快进功能",还是平衡视频网站与广告主的权益?看到这一矛盾现象,作为视频客户端的代表     

中国旅游发展笔谈——旅游规划：体系、标准与规范（二）——基于“自然-乡村-城市”梯度开展的旅游和游憩研究：全球发展趋势和对中国的含义

1．前言 旅游和游憩专业的学术领域在过去的几十年里发展非常快。相关文献数量增多，研究人员团队不断壮大，而且对政策制定、规划和管理等领域的影响不断加强。保继刚等人在2014年指出，中国关于旅游研究的快速发展，与全球游憩和旅游研究趋势非常相似。与此同时，我们的世界面临越来越多的挑战，     

俄罗斯的基础设施PPP模式现状与前景

基础设施的发展,毫无疑问是国家发展的基本方向条件。国家-私营合作,是一种方便的合作机制。在这种机制下,政府可以用较少的资金或政府不耗费自己的资金来发展基础设施建设。对于俄罗斯来说,运用国家-私营的合作方式,成为发展本国基础设施建设的新方式。但如果缺少完善的法律制度,将会阻碍发展的进程。     

Organizational culture in a terminally ill hospital

This study analyzed an organizational culture in a community hospital in Texas to measure organizational culture change and its impact on Patient Satisfaction (PS). The study employed primary and secondary data, combining quantitative and qualitative methods for a case study. Participant observation was used and archival data were collected to provide a better understanding of the organizational culture and the context in which change was taking place. This study also applied a "Shared Vision" of the organization as the central process in bringing forth the knowledge shared by members of the community hospital who were both subjects and research participants. The results from the study suggest an increase in PS due to the shared vision of one subculture within the hospital. There were powerful subcultures in this organization based on occupation and specialization, and their interests and functional orientations were not conducive to a systems approach. Hospital management was conducted in "silos" and there was lack of feedback between organizational levels of the hospital, especially in financial management, with organizational dysfunctionality in reacting and adapting to the health care market.     

创新沙盒

在印度，大约有7亿处于金字塔底部的消费者，他们的需求受到许多不可变更的外部预设条件限制，《金字塔底部的财富》作者普拉哈拉德在本文中将这部分消费者比喻成“沙盒”，探讨如何围绕这个新兴市场创新商业模式。     

金融业必须改变企业文化

银行仅仅遵守规章制度是无法再次赢得人们的信任的,各公司必须践行自己的价值判断。     

Gender disparities: a medical detoxification program

Significant gaps exist in health care regarding gender in the United States. Health status, social roles, culturally patterned behavior and access to health care can be influenced by gender. Women have been the primary users of health care and minority women usually have received poorer quality care than Non-Hispanic White (NHW) females. The objectives of this study were to identify gender, racial and ethnic disparities in access to substance abuse treatment in a Texas hospital. Secondary data collected on 1,309 subjects who underwent detoxification were studied. Gender, race/ethnicity, drug of abuse, relapse and financial classification were included in the analysis. Results indicate Hispanic females and Non-Hispanic Black (NHB) females were about 5 and 3.5 more likely than NHW females to use Medicaid services respectively (p < .05). NHW and NHB males were more likely to use Medicare than females (p < .05). NHB and Hispanic females were 5.8 and 2.1 times more likely to receive care for abuse of cocaine when compared to NHW females respectively (p < .05). Hispanic females were 2.3 times more likely to relapse than Non-Hispanic females, and uninsured NHB females were 7.1 times at a higher risk to abuse multiple drugs compare to NHW females (p < .05). Socio-economic factors, lower labor force participation rates, and less financial independence can explain females utilizing more often Medicaid regardless of their race/ethnicity. These results can be also explained by aggressive case management utilization, socio cultural barriers and/or discriminatory practices, both intentional and unintentional.     

机载雷达的三种脉冲重复频率

引言实现既有高的距离和速度分辨力、杂波鉴别力,又能同时提供无模糊的距离和速度测量的大时宽带宽信号处理,是雷达设计师们多年来所面临的问题。一般说,不可能用一种雷达参数不变的设备来满足所有的要求。即使信号处理技术和超大规模集成电路、甚大规模集成电路等方面的进步,目前能同时高速地完成许多功能,其体积也适用于飞机安装,但问题