中国股评家的羊群行为研究

鉴于中国股评家在证券市场中的特殊地位和羊群行为在我国证券市场中广泛存在且对 市场的效率有重要影响等情况,建立了中国股评家大盘预测的羊群行为的检验模型,分别研究 股评家羊群行为的存在性、影响羊群行为的因素和羊群行为的理性特征. 主要结论为:股评家 对舆论有明显的羊群行为;当历史收益率增加、市场乐观情绪高涨、股评家预测的一致程度增 加、股评家的能力降低、股评家的初始声誉增大时,股评家参与羊群行为的动机增加. 股评家羊 群行为的理性研究指出,当舆论被事后的收益率证明为错误时,羊群行为反而增加. 因此股评 家的羊     

舆论监督中的公务员名誉权保护与限制——兼论公务员名誉新闻侵权责任的认定

舆论监督权的行使与公务员名誉权的保护由于价值取向不同经常发生冲突,其协调关键在于以公共利益为标准来界定权利的边界,在新闻侵权责任的认定上确立实际恶意、大体真实、适度容忍三原则。     

Mapping semantic meaning of corporate reputation in global economic crisis context: A Slovenian study

This paper raises fundamental questions about the meaning of reputation and its measurement. It also considers the context of the recent global economic crisis, which brought about the lowest levels of trust in corporations, and a serious erosion of reputational capital of the corporations previously regarded as highly reputable. It maps out the semantic content of corporate reputation in an attempt to capture the ideas that individuals associate with this concept and to contrast it with the established standard reputational measures of reputation. The empirical part is based on semantic network analysis, a special form of social network analysis, where connections are formed by the use of overlapping concepts. The results show that there are a few strong determinants of reputation. They mainly coincide with the established reputational measures; however, some strong determinates seem to be context-specific and reflect the current global economic and financial crisis. The findings of the study correspond to the proposition in the literature that reputation is socially constructed and deliver insights into the relevance of standard and universal reputational measures.     

No praise without effort: experimental evidence on how rewards affect Wikipedia's contributor community

The successful provision of public goods through mass volunteering over the Internet poses a puzzle to classic social science theories of human cooperation. A solution suggested by recent studies proposes that informal rewards (e.g. a thumbs-up, a badge, an editing award, etc.) can motivate participants by raising their status in the community, which acts as a select incentive to continue contributing. Indeed, a recent study of Wikipedia found that receiving a reward had a large positive effect on the subsequent contribution levels of highly-active contributors. While these findings are suggestive, they only pertained to already highly-active contributors. Can informal rewards also serve as a mechanism to increase participation among less-active contributors by initiating a virtuous cycle of work and reward? We conduct a field experiment on the online encyclopedia Wikipedia in which we bestowed rewards to randomly selected editors of varying productivity levels. Analysis of post-treatment activity shows that despite greater room for less-active contributors to increase their productive efforts, rewards yielded increases in work only among already highly-productive editors. On the other hand, rewards were associated with lower retention of less-active contributors. These findings suggest that the incentive structure in peer production is broadly meritocratic, as highly-active contributors accumulate the most rewards. However, this may also contribute to the divide between the stable core of highly-prodigious producers and a peripheral population of less-active contributors with shorter volunteer tenures.     

券商声誉、制度环境与 IPO 公司盈余管理

基于成熟资本市场的研究表明,高声誉券商会抑制 IPO 公司的盈余管理． 本文以 2001 － 2011 年处于中国制度环境下的 IPO 公司为样本,重新考察了券商声誉与 IPO 公司盈余管理之间的关系． 研究发现,券商声誉越高,其所承销 IPO 公司的盈余管理程度也就越高,但券商声誉与 IPO 公司盈余管理程度之间的正向关系只有在投资者法律保护较差的地区才显著． 进一步的研究还发现,高声誉券商纵容或协助 IPO 公司盈余管理的重要动因在于获取更高的经济收益． 尽管高声誉券商确实能够降低 IPO 公司的抑价率,但这是通过提高 IPO 公司盈余管理程度的途径来实现的． 本文的结论表明,要使我国资本市场中的券商声誉机制发挥作用,还需要大力提高券商机会主义行为所面临的法律风险．     

Effects of issue ownership and issue obtrusiveness on corporate reputation at two Korean corporations

This study attempts to identify the effects of issue ownership of a corporation on its reputation, and the moderating effect of issue obtrusiveness. Two representative Korean corporations (Hyundai and SK) were selected and their reputations were measured. It was shown that a corporation, which owns issues that were perceived as important by publics, has a higher corporate reputation. There was no moderating effect of issue obtrusiveness on the relationship between issue ownership and corporate reputation; however, there was a possibility of issue obtrusiveness as an independent variable. Implication for public relations research and practice was discussed.     

契约的可实施性与中国企业组织形式选择

契约的实施性影响企业组织形式的选择,对违约行为与契约实施机制的分析有助于理解企业在一体化与长期契约之间的选择。本文对我国的违约行为与契约的实施机制的特殊性进行了分析,将不可实施的契约分为自然违约、“敲竹杠”(hold-up problem)与恶意违约三种类型;在此基础上,笔者以东软集团有限公司为例,指出在恶意违约大量存在、信誉机制缺乏与法律执行力弱的情况下,一体化而不是长期契约是中国企业组织形式的理性选择。     

高校声誉的培育与维护

良好的声誉是高校所拥有的独特资源,它能在各个方面增强高校的竞争力.文章从明确学校定位,提高毕业生质量,重视校风建设,实施名师强校战略和转变管理观念等方面,阐述了培育高校声誉的途径,提出了高校声誉维护的两个原则,即快速反应和高效沟通.     

对重庆南岸区中小企业信用担保中心的调查研究

在我国目前中小企业信用程度不高的情况下,通过担保机构为中小企业融资提供信用担保服务,是解决中小企业融资难的重要举措。重庆市南岸区中小企业信用担保中心经历了从1999年"破题"成立,2000年运作"开步",到2001年"走稳路"三个阶段,收到了良好的效果。本文对南岸区信保中心的运行情况进行了理论分析,并对存在的问题提出了对策建议。