This paper examines, in a Canadian context, the effect of short sales regulation on the risk-return relationship. It shows that, theoretically, the opportunity cost induced by short sales regulation is positively related to the dispersion of agents' beliefs and negatively related to the...

This paper examines open market stock repurchases in France. We find a positive average market reaction to the repurchase announcement. However, the magnitude of the price reaction is found to depend on a number of corporate governance structure measures. The positive aspects of the announcement...