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...

Italian Abstract: Nel caso di una filiera verticale di produzione in cui siano necessari forti investimenti di capitale fisso in qualche segmento ci si chiede quale sia la composizione di forme di mercato più efficiente dal punto di vista sociale (soluzione integrata del pianificatore sociale)...

Analysis of efficiency in legal fields from contracts to competition assumes that a consumer's demand depends on the price the consumer faces, not on the prices a firm charges other customers. This project provides evidence to the contrary. It examines how the phenomenon impacts the analysis of...

Conventional deadweight loss measures of the social cost of monopoly ignore, among other things, the social cost of inducing competition and thus cannot accurately capture the loss in social welfare. In this Article, we suggest an alternative method of measuring the social cost of monopoly....

This is a draft of an article that will be published - after some editorial revision - in the Journal of Governance and Regulation. It discusses first the differences between market economic models, socialist or planned economies, and economies controlled by monopolies or cartels, to make the...

Digital platforms operate in multisided markets providing services through the internet to two or more distinct groups of users, between which there are indirect network effects. Direct network effects are frequently present within each group. Therefore, online platforms usually present both...

The following is a compilation of book reviews and notices of notable books I have prepared over the past three years as U.S. Book Review editor for the World Competition Law & Economics Review and for the web site for the Institute for Consumer Antitrust Studies at Loyola University Chicago....

This work is divided into two complementary parts. In the first part, we develop a partial equilibrium model, through which it is possible to analyze the influence of tariff modicity and the illegal occupation of poles on four agents: energy distributors, telecommunications operators, and energy...

“Free” products have exploded in popularity along with widespread Internet adoption—but many of them are not truly free. Customers often trade their attention or personal information to access zero-price products. This exchange dynamic brings zero-price markets within the scope of...

The aim of this paper is threefold. First, it seeks to contribute to a more fine-grained comparison between US antitrust and EU competition law by (selectively) including state antitrust laws as well as laws that pursue objectives different from the antitrust laws but interfere with the aims of...