A recent strand of the economic literature has emphasised the role of services, and in particular knowledge-intensive business services (KIBS), as a primary source of knowledge creation and diffusion. Since this transferring process often occurs through strong face-to-face interactions, the role...

Vertical separation of upstream network operations from downstream retail activities, as the most extreme form of access regulation, has long been considered a legitimate regulatory remedy against use of market power in upstream infrastructure markets to engage in price- and non-price...