We explore the problem of network interconnection in local telecommunications. We develop a model with a competitive business sector and a regulated residential sector. The model is used to analyze the celebrated New Zealand antitrust case between Clear and Telecom. We discuss implications of...

Motivated by recent UK experience, we study the problem of mobile call termination. This is an intriguing policy story, in which regulation has been imposed on what appears to be a competitive industry. We introduce a framework which integrates two existing literatures: one analyzing...

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...

Interchange fees and related issues in payment card markets have been the focus of considerable attention recently. The academic community and public officials have begun to scrutinize these markets. Meanwhile, these markets continue to experience dynamic change as card payments account for an...