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abnormal return     
相关语句
  异常收益
    In China's securities market, the performance of stock price of ex-SEO and post-SEO is different from that of developed market, which there is significant positive abnormal return (AR) after SEO has done.
    我国上市公司在配股前后短期价格行为和配股后长期股价表现上也与成熟市场不同,我国上市公司配股除权日前后有显著的正异常收益,配股后长期有正异常收益
短句来源
    Part 2 bases on the achievement of domestic and overseas scholars in performance evaluation, the article concludes and evaluate the abnormal return method and financial index method.
    第二部分首先在国内外学者对并购绩效评价研究的基础上,总结与评价了异常收益法、财务指标体系法。 运用这两种方法对2000年和2001年的并购进行了分析与评价。
短句来源
    First of all, we examine whether issuance of convertible bond bring abnormal return to company by event study.
    首先,我们用事件研究法检验可转债的发行宣告是否会给公司带来异常收益
短句来源
    We found company scale, convert premium, asset-liability ratio, core business rate of increase and net profit rate will exert an influence to the abnormal return.
    接下来,作者综合了国外相关文献中的自变量因素,结合我国可转债市场的实际情况,得出自己的回归方程,通过多元回归分析了那些财务因素对异常收益产生了影响,我们发现公司规模、转换溢价、资产负债率、主营业务增长率和经营净利润率会对异常收益产生影响。
短句来源
  超额收益率
    An Empirical Study on Abnormal Return of Initial Public Offerings in China
    影响我国新股超额收益率的实证研究
短句来源
    The momentum (or reversal) strategy based on trading volume can get significant abnormal return while the simple momentum can't, which indicates that trading volume contains important information about price change for the second time.
    简单动量策略并不能获得显著的超额收益率,而基于交易量的动量(反转)策略能获得显著的超额收益,这再次说明交易量包含了与价格变化相关的重要信息。
短句来源
    There has long been high abnormal return in the primary stock market of China, attracting a huge sum of money lingering in the primary market seeking risk free abnormal return.
    我国股票一级市场长期存在着较高的超额收益率,吸引了巨额资金长期驻留于一级市场寻求无风险超额回报。
短句来源
    It has a cumulative abnormal return of -0.36% over the period [0,1]. And the analysis shows that announcement effects of CBo have a significant positive share marker response. It has a cumulative abnormal return of 0.39% over the period [0,1].
    实证结果发现,我国上市公司董事会通过发行可转换债券后,二级市场股票价格表现为显著下降,[0,1]时间窗口的累计超额收益率为-0.36%,而上市公司发布发行可转换债券公告后,二级市场股票价格表现为显著上升,[0,1]时间窗口的累计超额收益率为0.39%。
短句来源
    In order to investigate whether the stock market react to the environmental disclosure events, the abnormal return of stock prices (ARit), the average abnormal return of stock prices (AARt) and the accumulate average abnormal return of stock prices (CAART) are computed and statistical tested.
    接下来对这些样本股票在事件窗内的对环境信息披露的市场反应进行了计算和实证检验,即分别计算和检验超额收益率、平均超额收益率、累计平均超额收益率来考察单个事件在事件窗第t天的市场反应、不同类别事件在事件窗第t天的市场反应、不同类别事件在事件窗T时间段的市场反应。
短句来源
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  超常收益率
    5th, analysis influence factor of abnormal return of rename stocks in 2000 and 2001, discovering abnormal return is not obvious relevance with company's management achievement, year, the different exchange, but hasremarkable inverse correlation with company scale and company's stock price.
    5、对2000年和2001年的更名股票的超常收益率影响因素分析,发现超常收益率与公司的经营业绩、年度、不同交易所没有明显的相关性,与公司规模和公司的股价显著的负相关。
短句来源
    Equity Financing and Cumulative Abnormal Return
    配股融资与股票超常收益率
短句来源
    The paper uses the abnormal return to measure the announcement effect with market-adjusted returns method over a two-day period, and get the result of the significant negative 2.289%, which approves the announcement effect also occurs in China.
    在此基础上,选择1998. 1. 1-2004. 4. 30期间成功增发新股的上市公司为样本,采用风险市场调整模型,对增发公告当日的超常收益率进行检验,得出-2. 289%的显著负价格效应,证实了我国上市公司同样存在增发公告负效应。
短句来源
    At last we establish a linear regression model, influence factors as independent variable and abnormal return on the announcement day as dependent variable. The result shows free cash flow the proportion of none-current stock subscription ratio of the previous shareholders discount rate and the cumulative abnormal return in the previous 20 days before announcement have significant positive effect on AR on the announcement day.
    最后,本文以增发公告日股票的超常收益率为因变量,对我国增发公告效应的影响因素进行线性回归,发现货币资金及短期投资、非流通股比例、向原流通股股东配售比、折扣率及公告前20个交易日内累积超常收益率对公告日的超常收益率的影响显著。
短句来源
  异常收益率
    The abnormal return for Initial Public Offering (IPO) is a long-term hot issue which is debated by researchers both in China and at abroad, this issue mainly includes the initial underpricing and the long-term poor performance. In the foreign literatures, the researchers only focused on the behavior analysis for market participants while the impact of offering system is often neglected.
    首次公开发行新股(Initial Public Offering,简称IPO)异常收益率现象一直是国内外关注的热点问题,该现象主要包括初始抑价和长期弱势。
短句来源
    2) During the term of test, the trend of six portfolios reverse, most of daily return being negative, and cumulate abnormal return being prominently negative, which is suited with our noise trading model.
    第二,在事件检验期,六种组合的走势突然反转,日异常收益率绝大部分为负数,累积异常收益率显著为负,与本文噪声交易模型的结论非常吻合。
短句来源
    This paper examines index effects of Shanghai Stock 50 Index using indexreplacements information by January 2006. The empirical results show that, whencomposite stock enrolls index, at announcement day abnormal return rate is consistentwith anticipated income return, but ratio is on the small side.
    选取上证50指数自发布之日至2006年初以前的四次调整作为样本,利用事件研究法对指数调整的价格效应和成交量效应进行了实证研究。 研究发现,成份股加入指数,在公告日出现了与预期一致的异常收益率,但比率较小,可能是和我国指数衍生产品规模较小有关。
短句来源

 

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  abnormal return
The unconditional probability of abnormal return is estimated by the EM algorithm.
      
This paper investigates the determinants of leveraged buyout activity through the use of an abnormal return premium from the time of the first announcement through the final trading day.
      
Specifically, the issuance of SEOs with warrant-based compensation has a significantly less negative impact on abnormal return performance than the issuance of SEOs with cash-based compensation.
      
The 'after-transaction cost' abnormal return from the short strategy is about 0.5% for the period 1946-94.
      
It concludes that tests which use the announcing firm's abnormal return to proxy for the information signal generally overstate the significance of information transfer due to cross-covariation of regression disturbances.
      
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In this paper,the authers empirically analyzed the dividend policy of Shanghai stock market by the methodof Cumulative Abnormal Return(CAR) and studied the existence aed character of the signaling effect of dividend policy inthis market.This study will come into being important practical significance for disclosing the signaling effect of divi-dend policy of China and standardizing Chinese securities market.

本文采用累积超额收益法对上海股票市场的股利政策进行实证研究,探讨了沪市股利政策信息传递效应存在性及其特征.实证研究的结论对揭示我国股利政策的信息传递效应和规范发展我国股票市场具有重要的现实意义。

Trans right issues are unique phenomena and their listings occurred in the process of the capital market development in China. The impact on the market also has important implications for Chinese enterprise reform, the liquidity problems of state owned or other unlisted stocks. The event studies are used to test the accumulated abnormal returns, abnormal returns, and the average impact on the market. The results indicate that the listing of trans right issues cause obvious waves of the stock prices,...

Trans right issues are unique phenomena and their listings occurred in the process of the capital market development in China. The impact on the market also has important implications for Chinese enterprise reform, the liquidity problems of state owned or other unlisted stocks. The event studies are used to test the accumulated abnormal returns, abnormal returns, and the average impact on the market. The results indicate that the listing of trans right issues cause obvious waves of the stock prices, but these movements are overreactions. Some time after, all the accumulated abnormal returns and averaged abnormal returns are not obvious under the sense of statistics test.

转配股上市是中国股市向规范、高效发展过程中的一个产物 .转配股上市对现代企业制度的建立 ,对法人股、国有股的流通问题的解决有重要的启示 .据此 ,运用事件分析法 ,通过检验各转配股的累积超常回报率和超常回报率及受影响股票的市场平均反映 ,研究转配股上市这一事件对股市的影响 .结果表明转配股上市虽然造成股价的一些波动 ,但这种反映是过度反映 ,一段时间后 ,无论从个股还是从市场平均来说 ,累积超常回报率都不明显

Earning report is a main accounting report that transmits earning information to users. It is the core of financial reports system. Earning information is significant to users' decision making. This paper studies the respond of stock trading volume to earning report and draws the curve of trading volume before and after earning report. This paper further does a regression analysis of accidental earning and abnormal return rate, and draws the relation curve of them on the earning report date to prove...

Earning report is a main accounting report that transmits earning information to users. It is the core of financial reports system. Earning information is significant to users' decision making. This paper studies the respond of stock trading volume to earning report and draws the curve of trading volume before and after earning report. This paper further does a regression analysis of accidental earning and abnormal return rate, and draws the relation curve of them on the earning report date to prove stock trading volume does have remarkable respond to earning report. This research is significant to either lessen small investors blindness investment and help them make reasonable forecast to markets and regulate the disclosure of listed companies.

盈余公告是对投资者和信息使用者传递盈利信息的主要会计报告 ,处于财务报告核心地位。文中主要研究股票交易量对上市公司盈余公告的反应 ,进行了交易量反应分析 ,绘出股票交易量在盈余公告日前后的波动曲线 ;并进一步对公司意外盈余和股票的非正常报酬率进行回归分析 ,作出盈余公告日当天两者的关系曲线 ,以验证股票交易量对盈余公告有着显著的反应。它对于减少散户的盲目投资 ,有助于投资者做出合理的市场预测 ,使投资理性化 ,而且还有助于规范上市公司的信息披露行为。

 
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