The new Horizontal Merger Guidelines, if treated by courts as a source of law, would reduce the discretion traditionally exercised by courts in defining relevant markets and market power in merger cases. This is an undesirable shift in the balance of power because courts have used the market...

This paper modifies the optimal penalty analysis by incorporating investment incentives with external benefits. In the models examined, the recommendation that the optimal penalty should internalize the marginal social harm is no longer valid as a general rule. We focus on antitrust...

The recent financial crisis and recession provide an opportunity to reexamine the dynamic versus static efficiency tradeoff in antitrust enforcement policy. We examine implications of the optimal antitrust enforcement model when dynamic efficiency is incorporated. The “dynamic enforcement...

The antitrust laws of the United States have, from their inception, allowed firms to acquire significant market power, to charge prices that reflect that market power, and to enjoy supra-competitive returns. This article shows that this policy, which was established by the U.S. Congress and...

Since China has modeled its antitrust regime on that of the EU, there are essentially two antitrust regime types: the U.S. and the EU. This chapter is a brief comparative study of the two regimes. I focus on three categories in which fundamental differences are observed: enforcement, legal...

Intellectual property law and antitrust have been described as conflicting bodies of law, and the reason is easy to see. Antitrust law aims to protect consumers from the consequences of monopolization. Intellectual property law seeks to enhance incentives to innovate by granting monopolies in...