我国股票市场行为及其影响因素分析

文章以2000年1月4日至2001年1月2日间在上海证券交易所A股市场交易的股票为样本,借鉴Debondt和Thaler(1985)的研究方法,发现我国股票市场存在明显的“反转趋势”,同时采用多元回归模型,分析影响反转趋势的主要因素,发现影响我国赢家组合和输家组合CAR反转的主要因素有形成期的CAR、换手率和公司资产规模。最后,作者从心理学和我国股票市场的制度背景探讨这种反转趋势的心理成因和制度成因。     

Trade matters except to war neighbors: The international stock market reaction to 2022 Russia’s invasion of Ukraine

We investigate the role of international trade and proximity to war in international stock markets during the invasion of Ukraine by employing DiD designs and panel data comprising 70 stock markets. We find that differences in trade exposure to warring countries (trade effect) have a substantial and negative impact on non-European equity markets but are irrelevant for European markets. In contrast, differences in the distance to warring countries (proximity effect) have a significant and negative impact on European markets but have no bearing on non-European markets. We find that the relevance of rent from mineral, natural gas, and oil resources and the relevance of metals, ores, and fuels in exports operate as mitigators of the trade effect. Our paper provides valuable empirical evidence regarding the importance of mitigating the vulnerability of financial markets to international trade when a major war breaks out.     

政策性因素对中国股市影响的博弈分析

中国股市的大涨大跌和不稳定性是其最明显的特征,政府经常有意识地运用一些政策手段来调控股市的运行.本文首先总结了关于政策性因素影响股市运转的相关文献,其次通过建立博弈模型具体分析了国家推出政策性因素和投资者在股市上操作的运作过程,最后针对中国股市现状提出了一些建议.     

政府调控强化与股市平准基金的设立

2004年至今中国股票市场出现非理性的剧烈波动，原因之一就是政府调控股市的低效率。在建设市场经济过程中，政府适当的干预是维护股票市场正常发展的必要条件，而股市平准基金作为一种有效的政府宏观调控工具，将对我国股票市场的健康发展发挥作用。     

股份回购制度研究

股份回购是成熟资本市场上比较常见的资本运营方式与企业经营策略，尤其对于改善我国资本市场的产权结构和治理环境具有极其重要的现实意义。但是由于相关立法的滞后，导致实践操作中诸多不规范性和回购实务的风险与不确定性，因此在对股份回购的功能与价值进行清晰定位的基础上，制定与规范股份回购的实施细则或具体操作办法是迫在眉捷的课题。     

对开设股指期货的几点思考

股指期货交易的设立关系到整个证券市场的创新和发展,涉及到修改法规、市场体系划分、合约设计、交易清算运作、风险管理体系等一系列复杂的制度和技术问题,因此必须在广泛调研、认真研究可行方案的前提下,审时度势、循序渐进地加以推进。在此,笔者对我国开展股指期货的场所、股指的编制及交易的风险控制作一粗略探讨。     

The relationship between major-league sports’ official sponsorship announcements and the stock prices of sponsoring firms

This study presents analysis of the impact of “official product” sports sponsorships with the National Football League (NFL), Major League Baseball (MLB), the National Hockey League (NHL), the National Basketball Association (NBA), and the Professional Golfers Association (PGA) on the stock prices of sponsoring firms. The primary finding of the study is that, in the main, announcements were accompanied by increases in shareholder wealth. The 53 sponsors analyzed experienced mean increases in stock valuations of about $257 million. A multiple regression analysis of firm-specific stock price changes and selected corporate and sponsorship attributes indicates that official product sponsorships with the NBA, NHL, and PGA and those with smaller market shares were associated with the largest gains in share prices. Although corporate cashflow (a proxy for agency conflicts) is statistically unrelated to shareholder approval, sponsorships by high-technology companies were associated with stronger stock price reactions than otherwise. Finally, product congruence with the sponsored sport was positively related to changes in stock prices. T. Bettina Cornwell (b.cornwell@business.uq.edu.au) is Professor of Marketing and Leader of the Marketing cluster in the UQ Business School at the University of Queensland, Australia. She was formerly Professor of Marketing in the Fogelman College of Business and Economics at the University of Memphis. She received her Ph.D. from the University of Texas. Her research focuses on promotion and consumer behavior, especially with regard to international and public policy issues. Other articles on the topic of sponsorship-linked marketing have recently appeared in theJournal of Advertising, the Journal of Advertising Research, theJournal of Business Research, andPsychology & Marketing. Stephen W. Pruitt (pruittst@umkc.edu) is the holder of the Arvin Gottlieb/Missouri Endowed Chair of Business Economics and Finance in the Henry W. Bloch School of Business and Public Administration at the University of Missouri-Kansas City. He received his Ph.D. from Florida State University. He has published more than 45 articles, most of which employ event study methodologies, in journals such as theJournal of Finance, theJournal of Political Economy, Financial Management, theJournal of Public Policy and Marketing, and theJournal of Advertising Research. John M. Clark (clarkj@cba.usm.edu) is an assistant professor of finance at the University of Southern Mississippi. He received his Ph.D. from the University of Alabama. His research interests include options and other derivatives, investments, and the impact of real events upon the stock prices of corporations. His work has appeared in scholarly outlets such as theJournal of Advertising Research, theFinancial Review, and theJournal of Business Ethics.     

沪市股票定价判断的计量研究

基本面因素、技术面因素、热点信息的转换和各种板块的创立 ,通过复杂交互作用影响股价的波动。利用统计分析方法 ,考察并确定与上市公司股价之间的基本关系因素 ,建立股票定价基本模型 ,就绩优股、业绩较优股、业绩较差股、绩差股进行实证研究 ,判断出沪市股票定价的基本趋势 ,旨在为投资者的科学投资提供参考     

关于提高印花税税率的冷思考

印花税税率调高会带来交易费用的上升,可以抑制短期投机,从而在一定程度上稳定市场。但在我国证券税制不完善的情况下,股票交易的印花税存在缺乏法律依据、税种错位、职能错位、征收范围错位等问题,其身兼数职,扮演了多税种合一的角色,仅靠调整印花税难以真正达到压缩股市泡沫、促进资本市场健康发展的效果,还会带来印花税其他职能的丧失。因此,开征差异性证券交易税,对印花税进一步改革已迫在眉睫。     

中国股票市场对货币需求总量的影响--基于协整方法的分析

本文采用Johansen协整方法检验了一个包含股票市场交易额变量的标准货币需求函数和货币流动性函数.实证结果表明我国股票市场的发展与扩张减少了对狭义货币与广义货币的需求,本文采用理论分析和实证研究相结合的方法,有针对性地提出了一些看法.