This paper evaluates the effectiveness of several pricing rules intended to promote entry into a network industry dominated by an incumbent carrier. Drawing on the work of Cournot and Hotelling, we develop a model of competition between two interconnected networks. In a symmetric equilibrium,...

We discuss the effects of strategic commitments and of network size in the process of setting interconnection fees across competing networks. We also discuss the importance of the principles of reciprocity and imputation of interconnection charges on market equilibria. Reciprocity means that...

This paper assesses the private and social incentives for disjoint networks to interconnect under various ownership structures. Terms of interconnection are derived for a noncooperative equilibrium. We find that networks mutually profit from interconnection when it creates new services that did...

This paper provides an economic analysis of the proper role of copyright protection for computer software. We begin by identifying key economic conditions in the software market. Besides its public good characteristics, software generates network externalities through increased sales of programs...

How should a monopolist price a durable good or a new technology that is subject to network externalities? In particular, should the monopolist set a low "introductory price" to attract a "critical mass" of adopters? In this paper, we provide intuition as to when and why introductory pricing...

We discuss issues of the application of antitrust law and regulatory rules to network industries. In assessing the application of antitrust in network industries, we analyze a number of relevant features of network industries and the way in which antitrust law and regulatory rules can affect...

Comment of Nicholas S. Economides on the Revised Proposed Final Judgment in United States v. Microsoft

This paper examines the justifications, history, and practice of regulation in the US telecommunications sector. We examine the impact of technological and regulatory change on market structure and business strategy. Among others, we discuss the emergence and decline of the telecom bubble, the...

This paper examines the current conditions in the US telecommunications sector (October 2002). We examine the impact of technological and regulatory change on market structure and business strategy. Among others, we discuss the emergence and decline of the telecom bubble, the impact on pricing...

We discuss the case of a monopolist of a base good in the presence of complementary goods provided either by it or by other firms. We assess and calibrate the extent of the influence on the profits from the base good that is created by the existence of complementary goods, i.e., the extent of...