Passage of the Sherman Act in the United States in 1890 set the stage for a century of jurisprudence regarding monopoly, cartels, and oligopoly. Among American statutes that regulate commerce, the Sherman Act is unequaled in its generality. The Act outlawed "every contract, combination or...

We propose a simple, new test for making an initial determination of whether a proposed merger between rivals is likely to reduce competition and thus lead to higher prices. Under current antitrust policy, the government can establish a presumption that a proposed horizontal merger will harm...

This is a survey of the economic principles that underlie antitrust law and how those principles relate to competition policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each area, we select the most relevant portions of...

Economists often assume that a patent gives its owner a well-defined legal right to exclude others from practicing the invention described in the patent. In practice, however, the rights afforded to patent holders are highly uncertain. Under patent law, a patent is no guarantee of exclusion but...

After an investigation lasting several months, in June 1998 the Federal Trade Commission brought an antitrust lawsuit against Intel Corporation based on Intel's conduct towards Intergraph, and similar conduct towards Digital Equipment Corporation and Compaq, all in the context of disputes where...

This paper focuses on the class of legal rules that governs intellectual property rights: the antitrust limits imposed on patent settlements. The paper discusses the benefits and costs of settlements and explains why antitrust limits on settlements are needed to prevent abuse of the settlement...

This is a survey of the economic principles that underlie antitrust law and how those principles relate to competition policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each area, we select the most relevant portions of...