Keywords: Abnormal return
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Journal Articles
Journal of Economic and Administrative Sciences (2022) 38 (4): 652–666.
Published: 29 April 2021
... of the analysis results (Wang et al., 2013 ; Liu et al., 2020 ; Heyden and Heyden, 2020). Figure 2 Event window and estimation period To measure the abnormal return (AR) of index or firm i, we need to estimate the expected returns (ER) of index or firm i. The ER...

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