Horizontal shareholding exists when significant shareholders have stock in horizontal competitors. (It is often imprecisely called "common shareholding," but that term can also apply when shareholders own stock in two noncompeting corporations. It differs from "cross-shareholding," which...

This Article shows that new economic proofs and empirical evidence provide powerful confirmation that, even when horizontal shareholders individually have minority stakes, horizontal shareholding in concentrated markets often has anticompetitive effects. The new economic proofs show that,...

Mature antitrust regimes typically prioritize two main enforcement goals: deterrence and compensation of those injured by anti-competitive conduct. The simultaneous pursuit of these goals, however, creates difficulties for policymakers and enforcers that seek to strike a balance between public...

This article uses the FTC's October 2003 white paper on the U.S. patent system as the point of departure for a plenary critique of the system from an economic perspective. Taking the fresh viewpoint of "Alice in Wonderland" - an Englishwoman familiar with the Statute of Monopolies and...

U.S. districts courts have been increasingly faced with international cases that involve foreign litigants and foreign conduct. Despite an abundance of doctrinal analyses on the U.S. Supreme Court's decisions involving extraterritorial civil jurisdiction, there are abysmally few empirical...

This is a chapter for the forthcoming book in West Publishing Company's Inside the Minds Series focusing on Financial Services Enforcement and Compliance (published by Aspatore Books). This chapter provides an overview of nature and current state of the markets for the equity side and debt...

I present the following proposal: information revealed during non-cartel investigations by competition law enforcement authorities, such as evaluation of M&As or investigation of monopolization (dominance) conduct, should be directly used to investigate and prosecute cartels. Currently, in...

Theoretical research has investigated the relevance of entry-inducing effects as countervailing factor to a merger-related increase in market power. We use route-level data for the America West Airlines – US Airways merger (2005) to investigate whether such an effect can be identified...