诚聘经济金融专业 要求英文写作，熟悉referencing格式，会收集数据，分析数据，回归分析

数据分析要求如下

M&A with the “normal” profit E(R) during the same time period assuming that there is no effect of M&A and get the abnormal returns AR.
AR=R-E(R)

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