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 model the settlement of a legal dispute where the trial outcome depends on the behavior of a strategically motivated judge. We consider a standard asymmetric information model where the uninformed defendant makes a take it or leave it offer. If the case goes to trial, the judge decides how...

The appellate review system is intended to serve as an efficient remedy for imperfect judicial decision making. However, it can fulfill this task only when appeals are filed solely due to bad verdicts and are ex-ante unpredictable based on factors that are exogenous to the judge. Using data from...