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Full-Text Articles in Law

The Evolution And Vitality Of Merger Presumptions: A Decision-Theoretic Approach, Steven C. Salop Jun 2015

The Evolution And Vitality Of Merger Presumptions: A Decision-Theoretic Approach, Steven C. Salop

Georgetown Law Faculty Publications and Other Works

This article reviews the formulation and evolution of the Philadelphia National Bank anticompetitive presumption through the lens of decision theory and Bayes Law. It explains how the economic theory, empirical evidence and experience are used to determine a presumption and how that presumption interacts with the reliability of relevant evidence to rationally set the appropriate burden of production and burden of persuasion to rebut the presumption. The article applies this reasoning to merger presumptions. It also sketches out a number of non-market share structural factors that might be used to supplement or replace the current legal and enforcement presumptions for …


The E-Books Conspiracy: Crossing The Line Between Applying And Creating Law, Tom Campbell Dec 2014

The E-Books Conspiracy: Crossing The Line Between Applying And Creating Law, Tom Campbell

Tom Campbell

This article responds to John Kirkwood’s Collusion to Control a Powerful Customer: Amazon, E-Books, and Antitrust Policy. Professor Kirkwood argued that in a monopsonistic market (i.e., one where there exists one powerful buyer and many less powerful sellers), or a market in which a buyer has significantly more power than the sellers, collusion on the part of the sellers might be justified, and ought to be a defense to antitrust claims, under certain conditions. This article summarizes Kirkwood’s proposed requirements for invoking this defense and argues that they are overly prescriptive, failing to allow certain instances of beneficial collusion, imposing …