In this paper, I consider a general and informational efficient approach to determine the optimal access rule and show that there exists a simple rule that achieves the Ramsey outcome as the unique equilibrium when networks compete in linear prices without network-based price discrimination. My...

This paper studies a liberalized postal market where entrants may offer end-to-end products or concentrate on one of the segments of the network. Absent effective bypass, entry does not appear to be a serious financial threat to the incumbent, even when the products are perfect substitutes. This...

Restructuring of the Russian railways system is well under way. Among the policies just now coming into practice are two that are standard in railways restructuring in other countries: the provision of access to the infrastructure by independent train operating companies, and assurances of...