Recent content by finance_jan

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    Winsorizing Panel data (eliminating outlier overall or across firms)

    We have a panel data consisting of about 1000 firms with each about 150 monthly observations (Returns and distress measures such as Z-score). In order to eliminate outliers we would like to winsorize at 1st and 99th percentile. However we are not sure if: a) to winsorize for each point of...