Value creation through spin-offs: A review of the empirical evidence

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Abstract

This paper reviews the literature on the factors that influence the wealth effects associated with the announcements of corporate spin-offs (also known as demergers). Meta-analysis is used to summarize the findings of 26 event studies on spin-off announcements. A significantly positive average abnormal return of 3.02 is found during the event window. Returns are higher for larger spin-offs, for divestments that are tax or regulatory friendly and for spin-offs that lead to an improvement of industrial focus. It is also found that spin-offs that are later completed are associated with lower abnormal returns than non-completed spin-offs. The second part of the paper overviews studies on the long-run stock price performance of spin-offs. Even though early studies find a long-run superior performance, this effect is no longer found in later studies that use more refined statistical tests.
Original languageEnglish
Pages (from-to)407 - 420
Number of pages14
JournalInternational Journal of Management Reviews
Volume11
Issue number4
DOIs
Publication statusPublished - 2009
Externally publishedYes

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