A bundled discount occurs when a seller charges less for a bundle of goods than for its components when sold separately. A characteristic of such discounting is that a rival who makes only one of the products in the bundle may have to give a larger per item discount in order to compensate the...

Does significant market power or the presence of large rents affect optimal income taxation, calling for greater redistribution due to tainted gains? Or perhaps less because of an additional wedge that distorts labor effort? Do concerns about inequality have implications for antitrust,...

This paper studies consumers' incentives to hide their purchase histories when the seller's prices depend on previous behavior. Through distinct channels, hiding both hinders and facilitates trade. Indeed, the social optimum involves hiding to some extent, yet not fully. Two opposing effects...

The Rule of Reason, which has come to dominate modern antitrust law, allows defendants the opportunity to justify their conduct by demonstrating “procompetitive” effects. Seizing the opportunity, defendants have begun offering increasingly numerous and creative explanations for their...

We provide a canonical and tractable model of a trade platform enabling buyers and sellers to transact. The platform charges a percentage fee on third-party product sales and decides whether to be "hybrid", like Amazon, by selling its own product. It thereby controls the number of differentiated...

One hot topic is whether Google has violated the antitrust laws. Another important topic is how behavioral economics can enrich antitrust policy. This Essay examines two implications of behavioral economics on antitrust monopolization law. The Essay first discusses trial-and-error learning as an...

Professor Einer Elhauge’s highly acclaimed article, Tying, Bundled Discounts, and the Death of the Single Monopoly Profit Theory, 123 Harv. L. Rev. 397 (Dec. 2009), contests two propositions on which efficiency-minded antitrust scholars have largely agreed: (1) that there should be no tying...

The law and economics literature on the tragedy of the anticommons suggests that producers of complementary goods should integrate themselves. Recent decisions by the antitrust authorities seem to indicate that there is tradeoff between the “tragedy” and the lack of competition which might...