In 1999, the FCC largely deregulated middle-mile or "special access" enterprise communications services, resulting in explosive growth of new competitors using new technologies, including cable, fiber-optics, and high-speed Ethernet loops. But in recent years the agency has expressed increased...

Politicians, regulators and antitrust analysts have often used the presence of price discrimination as an indicator of market power. They are often motivated by political pressure from buyers facing the higher of the discriminatory prices to regulate or to pursue antitrust remedies in...

Politicians, regulators and antitrust analysts have often used the presence of price discrimination as an indicator of market power. They are often motivated by political pressure from buyers facing the higher of the discriminatory prices to regulate or to pursue antitrust remedies in...

Before it can sell a prescription drug lawfully in interstate commerce, a manufacturer must prove to the satisfaction of the Food and Drug Administration that the drug is both safe and effective. Congress approved this requirement in 1962 unanimously. Four decades of changes in the drug market...

Starting from an industry where production is provided by a public monopolist, we look at the effects on the consumers' surplus of a sequence of reforms in network industry. Using a simple comparative statics framework, we find indifference conditions in consumers' surplus between respectively...

In this article a brief revision of the European and Portuguese Regulatory frameworks is made, especially in terms of the interconnection of broadband internet services that are offered by cable operators. A formalization with two cable networks is presented, in order to obtain a benchmark for...

This paper presents a game-theoretic model of a liberalized railway market, in which train operation and ownership of infrastructure are vertically separated. We analyze how the regulatory agency will optimally set the charges that operators have to pay to the infrastructure manager for access...

The study analyzes the current regulatory environment in the Swiss rail freight sector from an economic point of view and develops recommendations for its improvement.

This paper presents a game-theoretic model of a liberalized railway market, in which train operation and ownership of infrastructure are vertically separated. We analyze how the regulatory agency will optimally set the charges that operators have to pay to the infrastructure manager for access...