Since Oliver Williamson published Markets and Hierarchies in 1975 transaction cost economics (TCE) has claimed an important place in antitrust, avoiding the extreme positions of the two once reigning schools of antitrust policy. At one extreme was the “structural” school, which saw market...

The Chicago School has produced many significant contributions to the antitrust literature of the last half century. Thanks in part to Chicago School efforts today we have an antitrust policy that is more rigorously economic, less concerned with protecting noneconomic values that are impossible...