abnormal returns

Based on the financial and stock market data of China's listed firms acquired by foreign firms, during 1995~ 2003, this paper calculates the abnormal returns of the acquired firms and analyzes the financial performance.

采用1995~2003年所有被外资并购上市公司的股市和财务数据，计算并分析了外资并购我国上市公司事件前后，公司投资者在短、长期获得的累积反常收益以及公司财务业绩的变化。

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Using the Buy-and-hold abnormal return, Cumulative abnormal returns and Fama-French three-factor model as three indicators constant, by comparing the approval system and approval system under the IPO pricing efficiency, to illustrate the affection of the Stock Offering System reform on the efficiency of IPO pricing.

采用了买入持有超额收益、累计超额收益和Fama-French三因素模型的常数项三个指标，通过对比审批制和核准制下的新股发行定价效率，来说明发行制度改革对IPO定价效率的作用。

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we then utilize ols model and fixed effect model to explore the relationship between unexpected employee bonuses and abnormal returns.

接著利用OLS模型及固定效果模型来探讨异常报酬与未预期分红之关联。

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An Empirical Study of Determinants of Abnormal Returns of A-Shares on the First Listed Day; The excess amount over the par value of common or prefer stock issued, which is received by a corporation.

A股上市首日超额收益影响因素的实证研究凡公司以高于普通股或特别股面额之价格发行股票，其所超收部份之金额皆属之。

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Investing on value stocks in Shanghai Stock Market can get abnormal returns.

在我国，价值投资也可以获得良好的投资回报。

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Further study on the insider trading cases punished by CSRC shows there is a statistical significance for abnormal rate of return, cumulative abnormal returns and abnormal trading volumes before the public release of substantial information.

对我国内幕交易案件的实证研究进一步表明，在公司重要未公开事件公告前，该公司股票异常收益率、累积异常收益率和异常交易量都表现出统计显著性。

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Can Backdating Explain the Abnormal Returns around Taiwanese Employee Stock Option Grants?

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 ?

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Companies with high levels of customer satisfaction tend to generate abnormal returns.

顾客满意度高可以帮助企业在股票市场上获得超额利润.

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The result suggests that significantly negative cumulative abnormal returns arise around the publication of guarantee statements.

结果发现,上市公司发布担保公告日前后出现显著为负的累积非正常报酬.

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In this thesis, turnover rate and abnormal returns are selected from the same accounting year.

而在本文中，换手率与收益率选用了同一会计年度。

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Evidence Study on Cumulate Abnormal Returns after "ST" Announcement

上市公司被ST后的超额累积收益的实证研究

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