Wealth Effects of Convertible Bond and Warrant-Bond Offerings: A Meta Analysis
The European Journal of Finance, Forthcoming
31 Pages Posted: 12 Oct 2010 Last revised: 3 Aug 2012
Date Written: August 2, 2012
We review the literature on wealth effects associated with the announcements of convertible bond and warrant-bond offerings. The findings of 35 event studies, which include 84 sub-samples and 6,310 announcements, are analysed using meta-analysis. We find a mean cumulative abnormal return of -1.14% for convertibles compared with -0.02% for warrant-bonds, the significant difference confirming a relative advantage for warrant-bonds. Abnormal returns for hybrid securities issued in the United States are significantly more negative than those issued in other countries. In addition, issuing hybrid securities to refund debt does not seem to be favoured by investors. Finally, several factors identified as important by theory or in prior research are not significant within our cross-study models, suggesting that more evidence is needed to confirm whether they are robust.
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