The European electricity and gas markets have been going through a process of liberalisation since the early 1990s. This process has changed the sector from a regulated structure of, predominantly, publicly owned monopolists controlling the entire supply chain, into a market where private and...

Whenever you phone your mother, switch on the light, or buy health insurance you purchase a service or product from a chain of vertically related industries. Providers of these products or services need access to a telecommunications network, an electricity network or to health care...