This article proposes a dynamic hedging model for Government National Association Mortgage-Backed Securities (GNMA MBSs) that is free of the drawbacks associated with the static hedging strategies currently used. The simultaneity bias of the regression approach is dealt with by modeling the...

This paper re-examines the impact of the EU Market Abuse Directive (MAD) on the market reaction around share repurchase announcements. We use a unique hand-collected dataset of firms listed on the Athens Stock Exchange, and we find evidence that contrasts with previous conclusions for large...

This paper re-examines the impact of the EU Market Abuse Directive (MAD) on the market reaction around share repurchase announcements. We use a unique hand-collected dataset of firms listed on the Athens Stock Exchange, and we find evidence that contrasts with previous conclusions for large...

The stock market reaction around the announcement date of actual share repurchases, the factors that affect the size of that reaction, and the motives behind share acquisitions are examined. A unique, hand-collected dataset is used, including public announcements of companies traded on the...

This paper examines open market stock repurchases by Greek firms, using a unique dataset covering the period 2000-2010. Positive and statistically significant cumulative average abnormal returns are observed around the date of repurchase program authorizations. Investors react more to...

Using a unique, hand-collected data set of actual daily share repurchases from the Athens Stock Exchange, we examine the stock market reaction around the disclosure date of actual share repurchases, the factors that affect the size of that reaction, and the motives behind share acquisitions. We...