Articles
The Elusive Antitrust Standard on Bundling in Europe and in the United States at the Aftermath of the Microsoft Cases (with Ioannis Lianos), Antitrust Law Journal (2009)
This study analyzes and contrasts the U.S. and EU antitrust standards on bundling (in its...
Loyalty/Requirement Rebates and the Antitrust Modernization Commission: What is the Appropriate Liability Standard?, Antitrust Bulletin (2009)
I discuss and assess the various standards for establishing liability for loyalty discounts offered under...
Quantifying the Benefits of Entry into Local Phone Service (with Katja Seim and V. Brian Viard), Rand Journal of Economics (2008)
In this paper, we evaluate the consumer welfare effects of entry into residential local phone...
“Net Neutrality,” Non-Discrimination and Digital Distribution of Content Through the Internet, New York University Law and Economics Working Papers (2008)
The vast majority of US residential consumers face a monopoly or duopoly in broadband Internet...
Patents and Antitrust: Application to Adjacent Market (with Wiiliam N. Hebert), Journal on Telecommunications & High Technology Law (2008)
We examine the intersection of patents and antitrust where a patent holder uses the monopoly...
Hit and Miss: Leverage, Sacrifice, and Refusal to Deal in the Supreme Court Decision in Trinko, Vanderbilt Journal of Entertainment and Technology Law (2007)
Under the rules of the Telecommunications Act of 1996, incumbent local exchange carriers, including Verizon,...
Economics of the Internet, The New Palgrave Dictionary of Economics, London: Macmillan, 2007 (2007)
We discuss salient economic aspects of the Internet, including the possible abolition of net neutrality...
Two-Sided Competition of Proprietary vs. Open Source Technology Platforms and the Implications for the Software Industry (with Evangelos Katsamakas), Management Science (2006)
Technology platforms, such as Microsoft Windows, are the hubs of technology industries. We develop a...
"A Parimutuel Market Microstructure for Contingent Claims Trading, European Financial Management (2005)
Parimutuel principles are widely used as an alternative to fixed odds gambling in which a...
Vertical Leverage and the Sacrifice Principle: Why the Supreme Court Got Trinko Wrong, New York University Annual Survey of American Law (2005)
Trinko, a local telecommunications services customer of AT&T, sued Verizon for anti-competitively raising the costs...
Dynamic Oligopoly with Network Effects (with Nicholas Economides, Matthew Mitchell, and Andrzej Skrzypacz), UCSC Economics Department Seminars (2004)
We analyze oligopolistic competition in a multi-period dynamic setting for goods with network effects. Two...
The Microsoft Antitrust Case, Journal of Industry, Competition and Trade: From Theory to Policy (2001)
This paper analyzes the law and economics of United States v. Microsoft, a landmark case...
The Microsoft Antitrust Case: Rejoinder, Journal of Industry, Competition and Trade: From Theory to Policy (2001)
Durable Goods Monopoly with Network Externalities with Application to the PC Operating Systems Market, Quarterly Journal of Electronic Commerce (2000)
We analyze a model of multi-period monopoly in durable goods. Taking into consideration the special...
Quality Choice and Vertical Integration, International Journal of Industrial Organization (1999)
We show that, despite coordination in the quality level of the components that they provide,...
The Telecommunications Act of 1996 and Its Impact, Japan and the World Economy (1999)
This paper analyzes the effects on the implementation of the Telecommunications Act of 1996 (“Act”)...
The Incentive for Non-Price Discrimination by an Input Monopolist, International Journal of Industrial Organization (1998)
This paper considers the incentive for non-price discrimination of a monopolist in an input market...
Contributions to Books
Competition Policy Issues in the Consumer Payments Industry, Moving Money: The Future of Consumer Payment (2009)
We discuss the current structure of card networks that facilitate transactions between merchants and consumers....
Public Policy in Network Industries, Handbook of Antitrust Economics (2008)
This chapter discusses how antitrust law and regulatory rules should be applied to network industries....
Strategic Commitments and the Principle of Reciprocity in Interconnection Pricing, The Economics of Digital Markets (2008)
We examine the e¤ects of strategic commitments and network size on equilibrium interconnection fees set...
Linux vs. Windows: A Comparison of Application and Platform Innovation Incentives for Open Source and Proprietary Software Platforms (with Evangelos Katsamakas), The Economics of Open Source Software Development (2006)
This paper analyzes and compares the investment incentives of platform and application developers for Linux...
Competition Policy in Network Industries: An Introduction, The New Economy and Beyond: Past, Present and Future (2006)
The Economics of the Internet Backbone, Handbook of Telecommunications Economics (2006)
This chapter discusses the economics of the Internet backbone. I discuss competition on the Internet...
Telecommunications Regulation: An Introduction, The Limits and Complexity of Organizations (2005)
The Tragic Inefficiency of M-ECPR, Down to the Wire: Studies in the Diffusion and Regulation of Telecommunications Technologies (2003)
Popular Press
Unpublished Papers
The Quest for Appropriate Remedies in the Microsoft Antitrust EU Cases: A Comparative Appraisal (with Ioannis Lianos), NET Institute Working Paper, #09-05 (2009)
The Microsoft cases in the United States and in Europe have been influential in determining...
Net Neutrality on the Internet: A Two-sided Market Analysis (with Joacim Tag), NET Institute, Working Paper #07-45 (2007)
We discuss the benefits of net neutrality regulation in the context of a two-sided market...
Pricing of Complementary Goods and Network Effects (with Nicholas Economides and V. Brian Viard), New York University Law and Economics Working Papers (2006)
We discuss the case of a monopolist of a base good in the presence of...