More than any other area of regulation, antitrust economics shapes law and policy in the United States, the Americas, Europe, and Asia. In a number of different areas of antitrust, advances in theory and empirical work have caused a fundamental reevaluation and shift of some of the assumptions...

More than any other area of regulation, antitrust economics shapes law and policy in the United States, the Americas, Europe, and Asia. In a number of different areas of antitrust, advances in theory and empirical work have caused a fundamental reevaluation and shift of some of the assumptions...

With the adoption of the 2020 Vertical Merger Guidelines, the U.S. antitrust agencies have updated their guidance on vertical mergers for the Twenty-First Century. Although economists have long recognized the procompetitive benefits most vertical mergers generate, the law has not always followed...

In this paper, we discuss the problem of the rule of reason and the welfare standard in antitrust. We begin with the Introduction (Section I), which provides an overview of the problem. In Section II, we review the Supreme Court’s guidance on the standard for conducting a rule of reason...

The appropriate role of merger efficiencies remains unresolved in US antitrust law and policy. The Patient Protection and Affordable Care Act (ACA) has led to a significant shift in health care delivery. The ACA promises that increased integration and a shift from quantity of performance through...