Details Author(s): A. Douglas MelamedMichael A. Katz Publish Date: 2020 Publication Title: U. PENN. L. REV. Format: Journal Article Volume 168 Page(s) 2061 Citation(s): A. Douglas Melamed & Michael A. Katz, Competition Law as Common Law: American Express and the Evolution of Antitrust, 168 U. PENN. L. REV. 2061 (2020). Related Organization(s): John M. Olin Program in Law and Economics Attachment(s): Download Now Other Publications By A. Douglas Melamed John M. Olin Program in Law and Economics