An Oligopoly Analysis of AT&T's Performance in the Wireline Long- Distance Markets After Divestiture

"The Enduring Lessons of the Breakup of AT&T: A Twenty-Five Year Retrospective."' Conference held at the University of Pennsylvania Law School on April 18-19, 2008. The antitrust law books promise competition from breaking up the monopoly firm in a Sherman Act case remedy. Not in this case; the question is what "kind" of oligopoly.