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- The average prices of repurchase stocks and the book-to-market ratios of companies are positively related to companies' cumulative abnormal returns. 而且平均每股买回价格愈高、过去股价绩效愈差、净值市价比愈高之公司，其宣告买回库藏股之累积异常报酬率愈高，并达显著水准；
- 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%25;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
- And the stock markets response to the auditor opinions is also studied with the methods of the cumulative abnormal return and the multielement regression analysis in the last part of the dissertation. 最后使用超额收益法和多元回归分析法研究了股票市场对审计意见的反应。
- Equity Financing and Cumulative Abnormal Return 配股融资与股票超常收益率
- The Cumulative Abnormal Return Method 超额收益法
- cumulative abnormal return (CAR) 累积非正常收益
- The cumulated abnormal return in stock price following the announcement date deems to be 8.312%.This result suggests that the stock price of sample has increased after the announcement date.3. 二、本研究实证结果显示，公司在宣告购回库藏股后，样本之累积平均异常报酬率呈现上升的趋势，其宣告后之累积平均异常报酬率更高达8.;3120%25，显示股价有显著回升的现象。
- An Inquiry into the Effect of Strategic Alliance on Cumulative Abnormal Return Regression Analysis 影响策略联盟累积异常报酬的回归分析
- cumulative abnormal returns 累积超额回报
- cumulative abnormal return rate 累积超额收益率
- Cumulative Abnormal Return 累积异常收益率
- The evidence shows that abnormal return of these firms are negative. 证据表明,那些因舞弊财务报告而受到证监会处罚的上市公司,其股价的超额收益率显著为负。
- 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。
- Can Backdating Explain the Abnormal Returns around Taiwanese Employee Stock Option Grants? 题名:回溯日期可以解释台湾员工认股选择权给予日附近的异常报酬率吗?
- At the same time there is no significant mean-reversion for the abnormal returns before and after the formation period in both 2000 semiannual ... 同时,2000年中报和2001年中报也没有发现形成期前后股票组合超常收益率明显的均值回复现象;基金羊群行为方向与股票组合超常收益率不相关。
- That is, listed companies will not yield different abnormal returns on share prices because they have different buyback purposes. 亦即，上市公司不因买回目的的不同，而有不同之股价异常报酬率。
- Case study on transaction performance analyses the characters of abnormal return distribution of M &A companies and target companies. 通过交易绩效案例研究，分析了并购公司及目标公司超额收益分布的特征。
- By doing parametric test of the distribution of abnormal return, the paper demonstrate that the semi-strong form of the EMH does not hold in China stock market. 通过对事件发生前后异常收益率的分布情况进行参数检验,得到了中国股市非半强式有效的结论。
- These methods focus on different emphases.The two pre vailing methods are the method based on abnormal return and the method based on performance improvement following mergers. 这些方法从不同的角度出发衡量协同效应 ,其中发展得比较成熟的是在异常收益的基础上计算协同效应 ,以及从业绩改变角度着手衡量协同效应。
- In theprocess of collecting the rent, listed companies and institutional speculators collude toform a strategic rent coalition with the information dominance and strong fund power,so as to manipulate share prices and obtain abnormal returns. 为寻求“信息租金”,上市公司与机构投资者“信息串通”,利用信息优势与资金优势,进行战略合作组成一种寻租联盟,以操纵股价达到获取超额收益的目的。
