Refor M in utility industries often involves the owner of a key essential facility selling access to that facility to downstream competitors. Examples include local telephone access and transmission or distribution system access in gas and electricity. The access price is often set by a separate...

This paper considers the effects of regulating termination for interconnected, but otherwise unregulated, telecommunications networks. We develop two models, the first that involves fixed market shares and the second, based on the work of Laffont, Rey and Tirole (1998a), which allows for...