  This article shows State of the Art of techno-economic modeling for access
network technologies, presents the characteristics a universal techno-economic
model should have, and shows a classification and analysis of techno-economic
models in the literature based on such characteristics. As a result of his
research in this direction, the author created and developed a Universal
Techno-Economic Model and the corresponding methodology for techno-economic
assessment in multiple domains, currently available for industry stakeholders
under specific licence of use.
