The failure of a telecommunications central office in Hinsdale, Illinois, in May 1988 caused widespread service outages and brought the local economy to a virtual halt. In the process it highlighted the emerging market for back-up networks. At present local exchange carriers are obliged to offer...

This article models a vertically integrated provider that is a monopoly supplier of an input that is essential for downstream production. An input price that is 'too high' can lead to inefficient foreclosure and one that is 'too low' creates incentives for nonprice discrimination. The range of...

This special issue of the Review of Network Economics is dedicated to celebrating the achievements of Professor Alfred Kahn in commemoration of his 90th birthday. The articles in this special issue examine a range of topics in the economics of regulation, antitrust and public policy, as applied...

We use a Cournot model with complementary demands to derive sufficient conditions for mergers that increase market concentration and multi-market participation to lower prices, raise industry profits and hence increase economic welfare. Notably, these findings do not depend upon the realization...