We show that in oligopolistic markets the social choice correspondence which selects all socially efficient outcomes is Nash implementable if the number of firms is at least two. Thus, monopoly regulation whenever consumers are favored by the designer or the society is the only framework, among...

We discuss policy towards mobile call termination, illustrated by the 2002 Competition Commission enquiry into the UK mobile market. We present a model of the mobile market which includes both fixed-to-mobile and mobile-to-mobile call termination. In broad terms, the former service is likely to...

"This study reviews regulatory instruments designed to reduce environmental externalities from the transport sector. The study finds that the main regulatory instruments used in practice are fuel economy standards, vehicle emission standards, and fuel quality standards. Although industrialized...

"Regulation is purportedly enacted to serve specific social purposes. In reality, however, it follows a more complex political economy process, where legitimate social goals are mixed with the objectives of particular interest groups. Whatever its justification and objectives, regulation can...

Since investment climate reforms in developing countries started gaining traction in the 1990s, most efforts have focused on issues at the national level, achieving varying degrees of success for reasons that are relatively well understood. This handbook provides an overview of efforts and...