The French privatizations program is one of the principal programs worldwide regarding the volume of equity issues. A reading of the privatization process through the corporate governance theory resulted in the development of a model allowing to take into account, on the one hand, the temporal...

Efficiency of financial markets is one of the most studied subjects in theoretical finance. Formalization of this idea is realised by the random walk model. Numerous tests have been developed to validate the hypothesis of identically and independently distributed innovations. But the results of...