We consider antitrust enforcement within the adversarial model used by the United States. We show that, under the adversarial system, the Antitrust Authority may try to prohibit mergers also in those cases in which litigation is ineØ cient. Even if market concentration and technological...

We address one of the cardinal puzzles of European corporate law: the lack of derivate share-holder suits. We explain this phenomenon on the basis of percentage limits which require share-holders to hold a minimum amount of shares in order to bring a lawsuit. We show that, under this legal...

We address one of the cardinal puzzles of European corporate law: the lack of derivate shareholder suits. We explain this phenomenon on the basis of percentage limits which require shareholders to hold a minimum amount of shares in order to bring a lawsuit. We show that, under this legal regime,...

Litigation seems to be a Pareto-ineffcient outcome of pretrial bargaining; however, this paper shows that litigation can be the outcome of rational behavior by a litigant and her attorney. If the attorney has more information than his client concerning the characteristics of the lawsuit, the...