Antitrust analysis : problems, text, and cases / Phillip Areeda, Late Langdell Professor of Law, Harvard University, Louis Kaplow, Finn M. W. Caspersen and Household, International Professor of Law and Economics, Harvard University, Aaron Edlin, Richard W. Jennings Professor of Law, Professor of Economics, University of California at Berkeley, C. Scott Hemphill, Moses H. Grossman Professor of Law, New York University School of Law.