Event studies correcting for nonnormality using the wild bootstrap

Andros Gregoriou

Research output: Contribution to journalArticlepeer-review


We explore stock price effects following index additions to the Hang Seng Stock Index (HSI). Unlike previous event studies, we correct the critical values of the standard event study market model using a wild-bootstrap technique. Our find- ings show that after correcting for nonnormality, the stock price reaction asso- ciated with HSI index revisions ceases to exist. This demonstrates the importance of correcting event study methodology for nonnormality of residuals, when undertaking empirical analysis.
Original languageEnglish
JournalApplied Economics Letters
Issue number15
Publication statusPublished - 1 Jun 2014


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