This timely book deals with the problem of pricing passenger and freight transportation within Europe. The contributors argue that current legislation affecting pricing and regulation is increasingly less successful in dealing with market failures and externalities such as congestion, air...

In this paper we consider a model of oligopolistic competition where firms make a two-dimensional product line decision. They choose a location in style space, thus inducing horizontal differentiation, and produce different qualities (a product line) of a given good (vertical differentiation),...