This e-book accommodates original contributions in this area, earlier versions of which were presented at the 6th Conference on Telecommunication Techno-Economics (CTTE2007) in Helsinki, Finland in June 2007. CTTE is the major international event for the presentation of original and fundamental concepts and studies in the field of telecom techno-economics and serves as a forum for communication among researchers and practitioners working in a wide variety of scientific areas with a common interest in improving techno-economics and advanced telecommunications and services.